Publikationen

Autor: Jahr:

2024

  ·K. Bogomasov:
Let’s Talk About Image Quality Improvement in Underwater Images for Object Detection
ICMVA 2024, March 12–14, 2024, Singapore, Singapore

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  ·M. Duong, S. Conrad:
(Un)certainty of (Un)fairness: Preference-Based Selection of Certainly Fair Decision-Makers
ECAI 2024 - 27th European Conference on Artificial Intelligence Santiago de Compostela, Spain

 
  ·M. Duong, S. Conrad:
Measuring and Mitigating Bias for Tabular Datasets with Multiple Protected Attributes
Proceedings of the 2nd Workshop on Fairness and Bias in AI (AEQUITAS 2024) co-located with 27th European Conference on Artificial Intelligence (ECAI 2024) Santiago de Compostela, Spain

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  ·M. Duong, S. Conrad:
Trusting Fair Data: Leveraging Quality in Fairness-Driven Data Removal Techniques
Big Data Analytics and Knowledge Discovery: 26th International Conference, DaWaK 2024, Naples, Italy, August 26-28, 2024, Proceedings

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  ·K. Bogomasov:
Predicting Captions and Detecting Concepts for Medical Images: Contributions of the DBS-HHU Team to ImageCLEFmedical Caption 2024
Working Notes of CLEF 2024 - Conference and Labs of the Evaluation Forum

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  ·H. Dorgeloh, L. Kawaletz, S. Stein, R. Stodden, S. Conrad:
Using Discourse Connectives to Test Genre Bias in Masked Language Models
Proceedings of the 5th Workshop on Computational Approaches to Discourse (CODI 2024)

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  ·J. Romberg:
Machine-assisted Text Classification of Public Participation Contributions

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  ·K. Bogomasov, S. Conrad:
Efficient Iterative Semi-supervised Object Detection Training for Counting of Fruits and Vegetables
ICAAI 2023: The 7th International Conference on Advances in Artificial Intelligence

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2023

  ·W. Otto, M. Zloch, L. Gan, S. Karmakar, S. Dietze:
GSAP-NER: A Novel Task, Corpus, and Baseline for Scholarly Entity Extraction Focused on Machine Learning Models and Datasets
Findings of the Association for Computational Linguistics: EMNLP 2023

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  ·M. Duong, S. Conrad:
Towards Fairness and Privacy: A Novel Data Pre-processing Optimization Framework for Non-binary Protected Attributes
The 21th Australasian Data Science and Machine Learning Conference (AusDM’23)

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  ·T. Germer, S. Harmeling, S. Konietzny, J. Robine, T. Uelwer:
Limited-angle tomography reconstruction via deep end-to-end learning on synthetic data
Applied Mathematics for Modern Challenges

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  ·M. Duong, S. Conrad:
Dealing With Data Bias in Classification: Can Generated Data Ensure Representation and Fairness?
Big Data Analytics and Knowledge Discovery: 25th International Conference, DaWaK 2023, Penang, Malaysia, August 28-30, 2023, Proceedings

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  ·K. Bogomasov:
Process Automation and Quality Assurance in Computer Vision for Real World Applications

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  ·F. Billert, S. Conrad:
HHU at SemEval-2023 Task 3: An Adapter-based Approach for News Genre Classification
Proceedings of the The 17th International Workshop on Semantic Evaluation, SemEval@ACL 2023, Toronto, Canada, 13-14 July 2023

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  ·K. Bogomasov:
Quality Assurance in Computer Vision for Real World Applications

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  ·G. Klassen, M. Krakowski, S. Conrad:
Cluster-based stability evaluation in time series data sets
Applied Intelligence

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  ·K. Bogomasov, T. Geuer, S. Conrad:
InfEval: Application for Object Detection Analysis
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part III

 
  ·M. Duong, J. Dunkelau, J. Cordova, S. Conrad:
RAPP: A Responsible APP Tool for Decision-Making in Educational Institutes
Datenbanksysteme für Business, Technologie und Web (BTW 2023)

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  ·S. Kessler, D. Schroeder, S. Korlakov, V. Hettlich, S. Kalkhoff, S. Moazemi, A. Lichtenberg, F. Schmid, H. Aubin:
Predicting readmission to the cardiovascular intensive care unit using recurrent neural networks
DIGITAL HEALTH

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2022

  ·J. Romberg:
Is Your Perspective Also My Perspective? Enriching Prediction with Subjectivity
Proceedings of the 9th Workshop on Argument Mining

 
  ·J. Romberg, T. Escher:
Automated Topic Categorisation of Citizens’ Contributions: Reducing Manual Labelling Efforts Through Active Learning
Electronic Government. EGOV 2022. Lecture Notes in Computer Science

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  ·L. Kawaletz, H. Dorgeloh, S. Conrad, Z. Bekcic:
Developing an Argument Annotation Scheme Based on a Semantic Classification of Arguments
Proceeding of the 23rd Annual Meeting of the Special Interest Group on Discourse and Dialogue (SIGDIAL 2022)

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  ·F. Kerlin, K. Bogomasov, S. Conrad:
Monitoring Coral Reefs Using Faster R-CNN
CLEF 2022 Working Notes

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  ·J. Dunkelau, M. Duong:
Towards Equalised Odds as Fairness Metric in Academic Performance Prediction
FATED Workshop 2022 (EDM 2022)

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  ·J. Romberg, L. Mark, T. Escher:
A Corpus of German Citizen Contributions in Mobility Planning: Supporting Evaluation Through Multidimensional Classification
Proceedings of the Language Resources and Evaluation Conference

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  ·S. Korlakov, G. Klassen, M. Bravidor, S. Conrad:
Alone We Can Do So Little; Together We Cannot Be Detected
Engineering Proceedings

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  ·J. Schock, Y. Lan, D. Truhn, M. Kopaczka, S. Conrad, S. Nebelung, D. Merhof:
Monoplanar CT Reconstruction with GANs
11th International Conference on Image Processing Theory, Tools and Applications, (IPTA) 2022, Salzburg, Austria, April 19-22, 2022

 
  ·C. Schackow, S. Conrad, I. Plag:
Sense disambiguation of compound constituents
(https://arxiv.org/abs/2204.00429)

 
  ·T. Germer, S. Harmeling, T. Uelwer:
Deblurring photographs of characters using deep neural networks.
Inverse Problems and Imaging

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2021

  ·M. Krakowski:
Detection of Anomalous Sequences in Multivariate Time Series Data

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  ·J. Schock, D. Truhn, D. Nürnberger, S. Conrad, M. Huppertz, S. Keil, C. Kuhl, D. Merhof, S. Nebelung:
Artificial Intelligence-based Automatic Assessment of Lower Limb Torsion on MRI
Nature -- Scientific Reports

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  ·J. Romberg, S. Conrad:
Citizen Involvement in Urban Planning - How Can Municipalities Be Supported in Evaluating Public Participation Processes for Mobility Transitions?
Proceedings of the 8th Workshop on Argument Mining

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  ·G. Klassen:
Pattern Discovery in Time Series

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  ·K. Bogomasov, S. Conrad:
Efficient Fruit and Vegetable Classification and Counting for Retail Applications Using Deep Learning
ICAAI 2021: The 5th International Conference on Advances in Artificial Intelligence (London)

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  ·A. Gupta, F. Günther, I. Plag, L. Kallmeyer, S. Conrad:
Combining text and vision in compound semantics: Towards a cognitively plausible multimodal model
Proceedings of the Conference on Naural Langauge Processing (KONVENS), Düsseldorf 6-9 September 2021

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  ·K. Bogomasov, T. Grings, C. Rubbert, L. Schimmöller, S. Conrad:
Orientation Estimation in MRI of Prostate Cancer Patients: When Simple Models Perform Better
IST2021: IEEE International Conference on Imaging Systems and Techniques (New York)

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  ·M. Zloch:
Facilitating Knowledge Graph Analysis – Acquisition and Large-Scale Analysis of Topological Graph Measures

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  ·J. Schock, D. Truhn, D. Abrar, D. Merhof, S. Conrad, M. Post, F. Mittelstrass, C. Kuhl, S. Nebelung:
Automated Analysis of Alignment in Long-Leg Radiographs Using a Fully Automated Support System Based on Artificial Intelligence
Radiology: Artificial Intelligence (in print)

 
  ·T. Germer, T. Uelwer, S. Conrad, S. Harmeling:
Fast Multi-Level Foreground Estimation
2020 25th International Conference on Pattern Recognition (ICPR)

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2020

  ·G. Klassen, M. Krakowski, S. Conrad:
Clustering of Time Series Regarding Their Over-Time Stability
Proceedings of the 2020 IEEE Symposium Series on Computational Intelligence (SSCI) (Code available here: https://github.com/tatusch/ots-eval)

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  ·J. Romberg, J. Dyczmons, S. Borgmann, J. Sommer, M. Vomhof, C. Brunoni, I. Bruck-Ramisch, L. Enders, A. Icks, S. Conrad:
Annotating Patient Information Needs in Online Diabetes Forums
Proceedings of the Fifth Social Media Mining for Health Applications Workshop & Shared Task

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  ·M. Krakowski, G. Klassen, S. Conrad:
Loners stand out. Identification of anomalous subsequences based on group performance
Advanced Data Mining and Applications, ADMA 2020 (Code available here: https://github.com/tatusch/ots-eval)

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  ·M. Zloch, M. Acosta, D. Hienert, S. Conrad, S. Dietze:
Charaterizing RDF graphs through graph-based measures – framework and assessment
Semantic Web – Interoperability, Usability, Applicability

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  ·S. Conrad, M. Krakowski, K. Bogomasov, G. Klassen:
Anwendungsgebiete für die automatisierte Informationsgewinnung aus Bildern
Bilddaten in den Digitalen Geisteswissenschaften

 
  ·A. Askinadze:
From Collecting, Integrating, and Visualizing Student Data to Predicting Student Dropout and Performance

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  ·J. Schock, M. Kopaczka, B. Agthe, J. Huang, P. Kruse, D. Truhn, S. Conrad, G. Antoch, C. Kuhl, S. Nebelung, D. Merhof:
A Method for Semantic Knee Bone and Cartilage Segmentation with Deep 3D Shape Fitting Using Data from the Osteoarthritis Initiative
Shape in Medical Imaging - International Workshop, ShapeMI 2020, Held in Conjunction with MICCAI 2020, Lima, Peru, October 4, 2020, Proceedings

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  ·S. Conrad, I. Tiddi:
Proceedings of the CIKM 2020 Workshops

 
  ·M. Krakowski, G. Klassen, S. Conrad:
Behave or be detected! Identifying outlier sequences by their group cohesion
Big Data Analytics and Knowledge Discovery, 22nd International Conference, DaWaK 2020 (Code available here: https://github.com/tatusch/ots-eval)

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  ·K. Bogomasov, S. Conrad, P. Grawe:
Enhanced Localization and Classification of Coral Reef Structures and Compositions
Working Notes of CLEF 2020 - Conference and Labs of the Evaluation Forum

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  ·G. Klassen, M. Krakowski, W. Huo, S. Conrad:
Evaluating Machine Learning Algorithms in Predicting Financial Restatements
ICBIM '20: Proceedings of the 4th International Conference on Business and Information Management

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  ·M. Krakowski, G. Klassen, M. Bravidor, S. Conrad:
Predicting Erroneous Financial Statements Using a Density-Based Clustering Approach
ICBIM '20: Proceedings of the 4th International Conference on Business and Information Management

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  ·S. Conrad, T. Germer, S. Harmeling, T. Uelwer:
PyMatting: A Python Library for Alpha Matting
Journal of Open Source Software

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  ·M. Krakowski, G. Klassen, M. Bravidor, S. Conrad:
How is Your Team Spirit? Cluster Over-Time Stability Evaluation
Machine Learning and Data Mining in Pattern Recognition, 16th International Conference on Machine Learning and Data Mining, MLDM 2020 (Code available here: https://github.com/tatusch/ots-eval)

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  ·G. Klassen, M. Krakowski, L. Himmelspach, S. Conrad:
Fuzzy Clustering Stability Evaluation of Time Series
Information Processing and Management of Uncertainty in Knowledge-Based Systems, 18th International Conference, IPMU 2020 (Code available here: https://github.com/tatusch/ots-eval)

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2019

  ·M. Singhof:
On Outlier Detection in Sequences - Finding Anomalies in Mountain Silhouettes

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  ·M. Krakowski, G. Klassen, M. Bravidor, S. Conrad:
Show Me Your Friends and I'll Tell You Who You Are. Finding Anomalous Time Series by Conspicuous Cluster Transitions
Data Mining. AusDM 2019. Communications in Computer and Information Science (Code available here: https://github.com/tatusch/ots-eval)

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  ·A. Askinadze, S. Conrad:
Predicting Student Dropout In Higher Education Based on Previous Exam Results
Proceedings of the 12th International Conference on Educational Data Mining (EDM)

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  ·K. Bogomasov, D. Braun, L. Himmelspach, S. Conrad:
Feature and Deep Learning Based Approaches for Automatic Report Generation and Severity Scoring of Lung Tuberculosis from CT Images
Working Notes of CLEF 2019 - Conference and Labs of the Evaluation Forum

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  ·M. Zloch, M. Acosta, D. Hienert, S. Dietze, S. Conrad:
A Software Framework and Datasets for the Analysis of Graph Measures on RDF Graphs
The Semantic Web: 16th International Conference, ESWC2019

 
  ·K. Bogomasov, P. Grawe, S. Conrad:
A two-staged Approach for Localization and Classification of Coral Reef Structures and Compositions
ImageClef

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  ·A. Oberstrass, J. Romberg, A. Stoll, S. Conrad:
HHU at SemEval-2019 Task 6: Context Does Matter - Tackling Offensive Language Identification and Categorization with ELMo
Proceedings of the 13th International Workshop on Semantic Evaluation (SemEval-2019)

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  ·M. Duong:
Automated Architecture-Modeling for Convolutional Neural Networks
Datenbanksysteme für Business, Technologie und Web (BTW 2019)

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  ·A. Askinadze, M. Liebeck, S. Conrad:
Using Venn, Sankey, and UpSet Diagrams to Visualize Students’ Study Progress Based on Exam Combinations
Companion Proceedings of the 9th International Conference on Learning Analytics & Knowledge (LAK’19)

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  ·A. Askinadze, M. Liebeck, S. Conrad:
BoB: A Bag of eBook Click Behavior Based Grade Prediction Approach
Companion Proceedings of the 9th International Conference on Learning Analytics & Knowledge (LAK’19)

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  ·L. Himmelspach, S. Conrad:
Fuzzy Clustering of High Dimensional Data with Noise and Outliers
Computational Intelligence: International Joint Conference, IJCCI 2016 Porto, Portugal, November 9--11, 2016 Revised Selected Papers

 

2018

  ·A. Askinadze, M. Liebeck, S. Conrad:
Predicting Student Test Performance based on Time Series Data of eBook Reader Behavior Using the Cluster-Distance Space Transformation
5th ICCE workshop on Learning Analytics (LA) & Joint Activity on predicting student performance

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  ·A. Askinadze, S. Conrad:
Development of an Educational Dashboard for the Integration of German State Universities’ Data
Proceedings of the 11th International Conference on Educational Data Mining (EDM)

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  ·M. Krakowski, S. Conrad:
Detection of Multidrug-Resistant Tuberculosis Using Convolutional Neural Networks and Decision Trees
Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum

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  ·K. Bogomasov, L. Himmelspach, G. Klassen, M. Krakowski, S. Conrad:
Feature-Based Approach for Severity Scoring of Lung Tuberculosis from CT Images
Working Notes of CLEF 2018 - Conference and Labs of the Evaluation Forum

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  ·A. Askinadze, S. Conrad:
Respecting Data Privacy in Educational Data Mining: An Approach to the Transparent Handling of Student Data and Dealing with the Resulting Missing Value Problem
27th IEEE International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE-2018)

 
  ·C. Bock:
Forecasting Energy Demand by Clustering Smart Metering Time Series
Information Processing and Management of Uncertainty in Knowledge-Based Systems. Theory and Foundations (IPMU 2018)

 
  ·J. Romberg:
GDWDS: First Insights from a Student - based Key Phrase Annotation Process of Medical Information Needs on a Novel German Diabetes Web Data Set
Proceedings of the 30th GI-Workshop Grundlagen von Datenbanken

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  ·M. Liebeck, A. Funke, S. Conrad:
HHU at SemEval-2018 Task 12: Analyzing an Ensemble-based Deep Learning Approach for the Argument Mining Task of Choosing the Correct Warrant
Proceedings of the 12th International Workshop on Semantic Evaluation (SemEval 2018), June 5-6, New Orleans

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  ·G. Klassen, S. Conrad:
Proceedings of the 30th GI-Workshop Grundlagen von Datenbanken (GvDB 2018), Wuppertal, Germany, May 22-25, 2018

 
  ·M. Krakowski:
Approaches for the Improvement of the Multilabel Multiclass Classification with a Huge Number of Classes
Proceedings of the 30th GI-Workshop Grundlagen von Datenbanken, Wuppertal, Germany, May 22-25, 2018

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2017

  ·M. Liebeck:
Automated Discussion Analysis in Online Participation Projects

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  ·P. Hirmer, T. Waizenegger, G. Falazi, M. Abdo, Y. Volga, A. Askinadze, M. Liebeck, S. Conrad, T. Hildebrandt, C. Indiono, S. Rinderle-Ma, M. Grimmer, M. Kricke, E. Peukert:
The First Data Science Challenge at BTW 2017
Datenbank-Spektrum

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  ·C. Bock:
Generating Load Profiles Using Smart Metering Time Series
Advances in Fuzzy Logic and Technology 2017

 
  ·M. Zloch, D. Hienert, S. Conrad:
Towards a Use Case Driven Evaluation of Database Systems for RDF Data Storage - A Case Study for Statistical Data
Joint Proceedings of BLINK2017: 2nd Int. Workshop on Benchmarking Linked Data and NLIWoD3: Natural Language Interfaces for the Web of Data (16th International Semantic Web Conference (ISWC), Vienna, Austria, October 21- 22, 2017

 
  ·D. Braun, M. Singhof, M. Krakowski, S. Conrad:
Convolutional Neural Networks for Multidrug-resistant and Drug-sensitive Tuberculosis Dinstinction
CLEF2017 Working Notes

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  ·P. Modaresi:
Components of an automatic single document summarization system in the news domain

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  ·T. Cabanski, J. Romberg, S. Conrad:
HHU at SemEval-2017 Task 5: Fine-Grained Sentiment Analysis on Financial Data using Machine Learning Methods
Proceedings of the 11th International Workshop on Semantic Evaluation (SemEval-2017)

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  ·M. Liebeck, K. Esau, S. Conrad:
Text Mining für Online-Partizipationsverfahren: Die Notwendigkeit einer maschinell unterstützten Auswertung
HMD Praxis der Wirtschaftsinformatik - Schwerpunktheft

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  ·A. Askinadze, S. Conrad:
Application of the Dynamic Time Warping Distance for the Student Drop-out Prediction on Time Series Data
Proceedings of the 10th International conference on Educational Data Mining (EDM)

 
  ·A. Askinadze, S. Conrad:
A Web Service Architecture for Tracking and Analyzing Data from Distributed E-Learning Environments
2017 IEEE 26th International Conference on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE)

 
  ·G. Klassen, M. Singhof:
Shape Based Outlier Detection in SLIC Superpixels
Proceedings of the 29th GI-Workshop Grundlagen von Datenbanken, Blankenburg/Harz, Germany

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  ·M. Singhof, G. Klassen, D. Braun, S. Conrad:
Detection and Implicit Classification of Outliers via Different Feature Sets in Polygonal Chains
Datenbanksysteme für Business, Technologie und Web (BTW 2017)

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  ·J. Romberg:
Comparing Relevance Feedback Techniques on German News Articles
Datenbanksysteme für Business, Technologie und Web (BTW 2017), Studierendenprogramm, 06.-10.03.2017 in Stuttgart

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  ·A. Askinadze:
Fake war crime image detection by reverse image search
Datenbanksysteme für Business, Technologie und Web (BTW 2017), Studierendenprogramm, 06.-10.03.2017 in Stuttgart

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  ·R. Kahlert, M. Liebeck, J. Cornelius:
Understanding Trending Topics in Twitter
Datenbanksysteme für Business, Technologie und Web (BTW 2017), Studierendenprogramm, 06.-10.03.2017 in Stuttgart

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  ·K. Esau, M. Liebeck, C. Eilders:
Mining Arguments in Online Participation: Möglichkeiten und Grenzen manueller und automatisierter Inhaltsanalyse zur Erhebung von Argumentkomponenten
Polkomm 2017

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2016

  ·M. Liebeck, P. Modaresi, A. Askinadze, S. Conrad:
Pisco: A Computational Approach to Predict Personality Types from Java Source Code
Notebook Papers of FIRE 2016

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  ·P. Modaresi, M. Liebeck, S. Conrad:
Neural Classification of Linguistic Coherence using Long Short-Term Memories
Proceedings of the 8th Forum for Information Retrieval Evaluation, FIRE 2016, Kolkata, India, December 8-10, 2016

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  ·P. Modaresi, S. Conrad:
Simurg: An Extendable Multilingual Corpus for Abstractive Single Document Summarization
Proceedings of the 8th Forum for Information Retrieval Evaluation, FIRE 2016, Kolkata, India, December 8-10, 2016

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  ·L. Himmelspach, S. Conrad:
The Effect of Noise and Outliers on Fuzzy Clustering of High Dimensional Data
8th International Conference on Fuzzy Computation Theory and Applications (FCTA 2016), Porto, Portugal, 9 - 11 November, 2016

 
  ·M. Singhof, D. Braun, S. Conrad:
Finding Trees in Mountains -- Outlier Detection on Polygonal Chains
Proceedings of the Conference Lernen, Wissen, Daten, Analysen (LWDA 2016), Potsdam, Germany, September 12-14, 2016

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  ·M. Liebeck, P. Modaresi, S. Conrad:
Evaluating Safety, Soundness and Sensibleness of Obfuscation Systems
CLEF 2016 Evaluation Labs and Workshop – Working Notes Paper, September 5-8, Évora, Portugal

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  ·L. Himmelspach, S. Conrad:
A Possibilistic Multivariate Fuzzy c-Means Clustering Algorithm
Proceedings of the 10th International Conference on Scalable Uncertainty Management (SUM 2016), Nice, France, September 21-23, 2016

 
  ·P. Modaresi, M. Liebeck, S. Conrad:
Exploring the Effects of Cross-Genre Machine Learning for Author Profiling in PAN 2016
CLEF 2016 Evaluation Labs and Workshop – Working Notes Paper, September 5-8, Évora, Portugal

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  ·M. Liebeck, K. Esau, S. Conrad:
What to Do with an Airport? Mining Arguments in the German Online Participation Project Tempelhofer Feld
Proceedings of the 3rd Workshop on Argument Mining, ACL 2016, 12.8.2016, Berlin

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  ·M. Singhof, D. Braun, S. Conrad:
AdaMS: Adaptive Mountain Silhouette Extraction from Images
Machine Learning and Data Mining in Pattern Recognition (MLDM 2016)

 
  ·M. Liebeck, P. Pollack, P. Modaresi, S. Conrad:
HHU at SemEval-2016 Task 1: Multiple Approaches to Measuring Semantic Textual Similarity
Proceedings of the 10th International Workshop on Semantic Evaluation (SemEval 2016), June 16-17, San Diego

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  ·L. Himmelspach, S. Conrad:
Fuzzy c-Means Clustering of Incomplete Data using Dimension-wise Fuzzy Variance of Clusters
Information Processing and Management of Uncertainty in Knowledge-Based Systems, 16th International Conference, IPMU 2016

 
  ·K. Bogomasov:
FSC - FloodFill Sky Classification
Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, Nörten Hardenberg, Germany, May 24-27, 2016

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  ·C. Bock:
Clustering-Ansatz zur Erstellung von Lastprofilen zur Vorhersage des Stromverbrauchs
Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, Nörten Hardenberg, Germany, May 24-27, 2016

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  ·J. Romberg:
Actor Identification and Relevance Filtering in Movie Reviews
Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, Nörten Hardenberg, Germany, May 24-27, 2016

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  ·A. Askinadze:
Anwendung der Regressions-SVM zur Vorhersage studentischer Leistungen
Proceedings of the 28th GI-Workshop Grundlagen von Datenbanken, Nörten Hardenberg, Germany, May 24-27, 2016.

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  ·T. Nguyen:
Ontology Matching based on Combination of Lexical and Structural Techniques in Semantic Web

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  ·K. Ayyildiz:
Video Classification by Frequency Features based on Repeating Movements

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  ·L. Himmelspach:
Fuzzy Clustering of Incomplete Data

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2015

  ·P. Modaresi, S. Conrad:
Identification and Evaluation of Keyphrases: Fuzzy Set based Scoring and Turing Test Inspired Evaluation
The Second International Conference on Digital Information Processing, Data Mining, and Wireless Communication (DIPWMWC2015), December 16-18, 2015, Dubai, UAE

 
  ·P. Modaresi, S. Conrad:
On Definition of Automatic Text Summarization
The Second International Conference on Digital Information Processing, Data Mining, and Wireless Communication (DIPWMWC2015), December 16-18, 2015, Dubai, UAE

 
  ·T. Nguyen, S. Conrad:
An Improved String Similarity Measure Based on Combining Information-Theoretic and Edit Distance Methods
Knowledge Discovery, Knowledge Engineering and Knowledge Management

 
  ·T. Nguyen, S. Conrad:
Ontology Matching Using Multiple Similarity Measures
7th International Conference on Knowledge Discovery and Information Retrieval (KDIR 2015), 12-14 Nov. 2015, Lisbon, Portugal

 
  ·D. Braun, M. Singhof, S. Conrad:
An Adaptive Grid Segmentation Algorithm for Mountain Silhouette Extraction from Images
Proceedings of the LWA 2015 Workshops: KDML, FGWM, IR, and FGDB, Trier, Germany, October 7-9, 2015

 
  ·P. Modaresi:
Automatic Identification of Multipage News: A Machine Learning Approach
Proceedings of the LWA 2015 Workshops: KDML, FGWM, IR, and FGDB, October 7-9, 2015, Trier, Germany

 
  ·M. Liebeck, S. Conrad:
IWNLP: Inverse Wiktionary for Natural Language Processing
Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers), ACL 2015, July 26-31, 2015, Beijing, China

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  ·K. Ayyildiz, S. Conrad:
Applying Filters to Repeating Motion based Trajectories for Video Classification
International Conference in Central Europe on Computer Graphics, Visualisation and Computer Vision (WSCG 2015), Prague; Short Papers Proceedings

 
  ·D. Braun, M. Singhof:
Automated Silhouette Extraction for Mountain Recognition
Tagungsband zum 27. GI-Workshop über Grundlagen von Datenbanken (27th GI-Workshop on the Foundations of Databases), 26. Mai - 29. Mai 2015, Gommern

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  ·M. Liebeck:
Ansätze zur Erkennung von Kommunikationsmodi in Online-Diskussionen
Tagungsband zum 27. GI-Workshop über Grundlagen von Datenbanken (27th GI-Workshop on the Foundations of Databases), 26. Mai - 29. Mai 2015, Gommern

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  ·S. Alcic, S. Conrad:
Evaluating Web Image Context Extraction
Multimedia Data Mining and Analytics - Disruptive Innovation

 
  ·M. Büngener:
CBIR gestütztes Gemälde-Browsing
Datenbanksysteme für Business, Technologie und Web (BTW 2015), Workshopband, 02.-03.03.2015 in Hamburg

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  ·A. Askinadze:
Vergleich von Distanzen und Kernel für Klassifikatoren zur Optimierung der Annotation von Bildern
Datenbanksysteme für Business, Technologie und Web (BTW 2015), Workshopband, 02.-03.03.2015 in Hamburg

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  ·M. Liebeck:
Aspekte einer automatischen Meinungsbildungsanalyse von Online-Diskussionen
Datenbanksysteme für Business, Technologie und Web (BTW 2015), Workshopband, 02.-03.03.2015 in Hamburg

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  ·K. Ayyildiz, S. Conrad:
Optimized Background Subtraction for Moving Camera Recordings
10th International Conference on Computer Vision Theory and Application (VISAPP 2015), 11-14 March 2015, Berlin

 
  ·M. Rischka, S. Conrad:
Image Landmark Recognition with Hierarchical K-Means Tree
Datenbanksysteme für Business, Technologie und Web (BTW 2015), 4.-6. März 2015 in Hamburg

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2014

  ·P. Modaresi, S. Conrad:
From Phrases to Keyphrases: An Unsupervised Fuzzy Set Approach to Summarize News Articles
12th International Conference on Advances in Mobile Computing & Multimedia (MoMM 2014), 8-10 December 2014, Kaohsiung, Taiwan

 
  ·T. Nguyen, S. Conrad:
Applying Information-Theoretic and Edit Distance Approaches to Flexibly Measure Lexical Similarity
6th International Conference on Knowledge Discovery and Information Retrieval - KDIR 2014, Rome, October 2014

 
  ·M. Rischka, S. Conrad:
Landmark Recognition: State-of-the-Art Methods in a Large-Scale Scenario
Proceedings of the LWA Workshops: KDML, IR, FGWM, Aachen, Germany, 8-10 September 2014

PDF
  ·P. Modaresi, P. Gross:
A Language Independent Author Verifier Using Fuzzy C-Means Clustering
5th Conference and Labs of the Evaluation Forum (CLEF 2014), Sheffield, England, September 15-18, 2014

 
  ·P. Gross, P. Modaresi:
Plagiarism Alignment Detection by Merging Context Seeds
5th Conference and Labs of the Evaluation Forum (CLEF 2014), Sheffield, England, September 15-18, 2014

 
  ·T. Scholz:
Opinion Mining in Newspapers for a Media Response Analysis

PDF

2013

  ·T. Nguyen, S. Conrad:
Combination of Lexical and Structure-Based Similarity Measures to Match Ontologies Automatically
Knowledge Discovery, Knowledge Engineering and Knowledge Management - 4th International Joint Conference, IC3K 2012, Barcelona, Spain, October 4-7, 2012, Revised Selected Papers

 
  ·T. Nguyen, S. Conrad:
A Semantic Similarity Measure between Nouns based on the Structure of Wordnet
15th International Conference on Information Integration and Web-based Applications & Services (iiWAS2013), 2-4 Dec 2013, Vienna, Austria

 
  ·T. Scholz, S. Conrad:
Opinion Mining in Newspaper Articles by Entropy-based Word Connections
2013 Conference on Empirical Methods in Natural Language Processing (EMNLP 2013), Seattle, WA, USA

PDF
  ·T. Scholz:
Opinion Mining für verschiedene Webinhalte
Methoden der Webwissenschaft

 
  ·K. Ayyildiz, S. Conrad:
Classifier Comparison for repeating Motion based Video Classification
Advances in Visual Computing - 9th International Symposium, ISVC 2013, Rethymnon, Crete, Greece, July 29-31, 2013

 
  ·J. Zhao, S. Conrad:
Subspace Clustering with Distance-Density Function and Entropy in High-Dimensional Data
International Confenrence on Data Management Technologies and Applications (DATA 2013), Reykjavik, Iceland, 29-31 July 2013

 
  ·T. Scholz, S. Conrad:
Linguistic Sentiment Features for Newspaper Opinion Mining
Natural Language Processing and Information Systems - 18th International conference on Applications of Natural Language Processing to Information Systems 2013 (NLDB 2013), Manchester, United Kingdom

 
  ·T. Scholz, S. Conrad:
Extraction of Statements in News for a Media Response Analysis
Natural Language Processing and Information Systems - 18th International conference on Applications of Natural Language Processing to Information Systems 2013 (NLDB 2013), Manchester, United Kingdom

 
  ·R. Küppers:
Extraktion und Anreicherung von Merkmalshierarchien durch Analyse unstrukturierter Produktrezensionen
25th GI-Workshop on Foundations of Databases

PDF
  ·D. Braun:
Ein Verfahren zur Beschleunigung eines neuronalen Netzes für die Verwendung im Image Retrieval
25th GI-Workshop on Foundations of Databases

PDF
  ·M. Singhof:
Analysis of DDoS Detection Systems
25th GI-Workshop on Foundations of Databases

PDF

2012

  ·N. Khasawneh, R. Al-Salman, A. Al-Hammouri, S. Conrad:
A Generic Framework for Collecting and Mining Client Paradata for Web Applications
Journal of Emerging Technologies in Web Intelligence

PDF
  ·T. Nguyen, S. Conrad:
A New Structure-based Similarity Measure for Automatic Ontology Matching
4th International Conference on Knowledge Discovery and Information Retrieval (KDIR 2012)

 
  ·M. Rischka, S. Conrad:
DBRIS at ImageCLEF 2012 Photo Annotation Task
CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012

PDF
  ·R. Küppers, S. Conrad:
A Set-Based Approach to Plagiarism Detection
CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012

PDF
  ·T. Scholz, S. Conrad:
Integrating Viewpoints into Newspaper Opinion Mining for a Media Response Analysis
11th Conference on Natural Language Processing (KONVENS 2012), Vienna, Austria

PDF
  ·L. Himmelspach, J. Carvalho, S. Conrad:
On Cluster Validity for Fuzzy Clustering of Incomplete Data
6th International Conference on Scalable Uncertainty Management (SUM 2012), Marburg, Germany, September 17-19, 2012

 
  ·T. Scholz, S. Conrad, L. Hillekamps:
Opinion Mining on a German Corpus of a Media Response Analysis
15th International Conference on Text, Speech and Dialogue (TSD 2012), Brno, Czech Republic

 
  ·K. Ayyildiz, S. Conrad:
Analyzing Transformation of 1D-Functions for Frequency Domain based Video Classification
International Conference on Computer Vision and Image Processing (ICCVIP 2012)

PDF
  ·J. Zhao, S. Conrad:
Automatic Subspace Clustering with Density Function
International Confenrence on Data Technologies and Applications (DATA 2012), Rome, Italy, 25-27 July 2012

 
  ·O. Daute:
Fundamental Mechanisms for Ensuring Maintanability and Reliability of Heterogeneous Application Architectures

 
  ·T. Scholz, S. Conrad, I. Wolters:
Comparing Different Methods for Opinion Mining in Newspaper Articles
17th International conference on Applications of Natural Language Processing to Information Systems 2012 (NLDB 2012), Groningen, The Netherlands

 
  ·T. Schlüter:
Knowledge Discovery from Time Series

PDF
  ·N. Khasawneh, O. Samarah, S. Al-Omari, S. Conrad:
Vision-based Presentation Modeling of Web Applications: A Reverse Engineering Approach
Journal of Emerging Technologies in Web Intelligence

PDF
  ·K. Ayyildiz, S. Conrad:
Video Classification by Partitioned Frequency Spectra of Repeating Movements
4th International Conference on Digital Image Processing (ICDIP 2012)

PDF
  ·T. Schlüter, S. Conrad:
An Approach for Automatic Sleep Stage Scoring and Apnea-Hypopnea Detection
Frontiers of Computer Science

 
  ·T. Schlüter, S. Conrad:
Hidden Markov Model-Based Time Series Prediction Using Motifs for Detecting Inter-Time-Serial Correlations
Proceedings of the 27th Annual ACM Symposium on Applied Computing (SAC'12)

 
  ·N. Khasawneh, S. Conrad, L. Fraiwan, E. Taqieddin, B. Khasawneh:
Combining Decision Trees Classifiers: A Case Study of Automatic Sleep Stage Scoring
International Journal on Knowledge Engineering and Data Mining

 
  ·K. Ayyildiz, S. Conrad:
Analyzing Invariance of Frequency Domain based Features from Videos with Repeating Motion
VISAPP 2012 - Proceedings International Conference on Computer Vision Theory and Applications, Rome, Italy, 24-26 February 2012

 
  ·L. Fraiwan, R. Al-Salman, N. Khasawneh, S. Conrad:
Analysis and Identification of Malicious JavaScript Code
Information Security Journal: A Global Perspective

 

2011

  ·N. Khasawneh, R. Al-Salman, A. Al-Hammouri, S. Conrad:
A Framework for Collecting Client Side Paradata in Web Applications
International Arab Conference on Information Technology (ACIT'2011), Riyadh, Saudi Arabia, December 11-14

 
  ·O. Daute, S. Conrad:
A Control-as-a-Service Approach: Operational Governance for Information Systems in Distributed Environment
International Transactions on Systems Science and Applications

 
  ·S. Alcic:
Web Image Context Extraction: Methods and Evaluation

PDF
  ·L. Himmelspach, D. Hommers, S. Conrad:
Cluster Tendency Assessment for Fuzzy Clustering of Incomplete Data
7th Conference of the European Society for Fuzzy Logic and Technology (EUSFLAT-2011), Aix-Les-Bains, France, 18-22 July 2011

 
  ·T. Schlüter, S. Conrad:
Applying Several Kinds of Temporal Association Rules to Time Series Analysis
IADIS European Conference on Data Mining (ECDM'11), Rome, Italy, July 24-26, 2011

 
  ·T. Scholz, S. Conrad:
Style Analysis of Academic Writing
16th International Conference on Applications of Natural Language to Information Systems 2011 (NLDB 2011), Alicante, Spain

 
  ·M. Rischka:
Ein Verfahren zur automatischen Erstellung eines visuellen Wörterbuchs für die Bildsuche
Tagungsband zum 23. GI-Workshop über Grundlagen von Datenbanken (23th GI-Workshop on the Foundations of Databases), 31. Mai - 03. Juni 2011, Obergurgl

 
  ·T. Scholz:
Ein Ansatz zu Opinion Mining und Themenverfolgung für eine Medienresonanzanalyse
Tagungsband zum 23. GI-Workshop über Grundlagen von Datenbanken (23th GI-Workshop on the Foundations of Databases), 31. Mai - 03. Juni, Obergurgl, Österreich

PDF
  ·S. Alcic, S. Conrad:
Page Segmentation by Web Content Clustering
International Conference on Web Intelligence, Mining and Semantics (WIMS'11), 25-27 May 2011, Norway

PDF
  ·K. Ayyildiz, S. Conrad:
Video Classification by Main Frequencies of Repeating Movements
WIAMIS 2011: 12th International Workshop on Image Analysis for Multimedia Interactive Services, Delft, The Netherlands, April 13-15, 2011

 
  ·S. Alcic, S. Conrad:
A Clustering-based Approach to Web Image Context Extraction
The Third International Conferences on Advances in Multimedia (MMEDIA 2011)

 
  ·T. Schlüter, S. Conrad:
About the Analysis of Time Series with Temporal Association Rule Mining
IEEE SymposiumSeries on Computational Intelligence 2011 (SSCI 2011), 11-15 April 2011, Paris

 
  ·M. Rischka:
Analysing Visual Descriptions of Tags for Automatic Creation of a Visual Dictionary
Beitragsband des Studierendenprogramms der 14. GI-Fachtagung für Business, Technologie und Web (BTW 2011), 1. März 2011, Kaiserslautern 2011

 
  ·L. Himmelspach, S. Conrad:
Density-Based Clustering using Fuzzy Proximity Relations
International Conference of the North American Fuzzy Information Processing Society (NAFIPS 2011), El Paso, Texas, March 18-20, 2011

 
  ·O. Daute, S. Conrad:
Comparison of Governance Approaches for Highly Complex Enterprise Architectures
Proceedings of the IADIS International Conference Information Systems (IS 2011), Avila, Spain

 
  ·K. Zaiß:
Instance-Based Ontology Matching and the Evaluation of Matching Systems

PDF

2010

  ·T. Schlüter, S. Conrad:
An Approach for Automatic Sleep Stage Scoring and Apnea-Hypopnea Detection
ICDM 2010, The 10th IEEE International Conference on Data Mining, Sydney, Australia, 14-17 December 2010

 
  ·K. Zaiß, S. Conrad, S. Vater:
A Benchmark for Testing Instance-Based Ontology Matching Methods
7th International Conference on Knowledge Engineering and Knowledge Management (EKAW 2010), 11-15 October 2010, Lisbon, Portugal

 
  ·O. Daute, S. Conrad:
Maintenance Scenarios for Distributed Application Infrastructures
9th International Conference on Perspectives in Business Informatics Research, Sept. 29th - Oct. 1st 2010, Rostock, Germany

 
  ·J. Zhao:
Automatic Parameter Determination in Subspace Clustering with Gravitation Function
Proceedings of the 2010 International Symposium on Database Engineering & Applications, Montreal, Canada, August 16-18, 2010

 
  ·S. Alcic, S. Conrad:
Measuring Performance of Web Image Context Extraction
10th International Workshop on Multimedia Data Mining (MDMKDD 2010) at the ACM SIGKDD

PDF
  ·T. Schlüter, S. Conrad:
TEMPUS: A Prototype System for Time Series Analysis and Prediction
IADIS European Conference on Data Mining 2010, Freiburg, Germany, July 28-30, 2010

 
  ·L. Himmelspach, S. Conrad:
Clustering Approaches for Data with Missing Values: Comparison and Evaluation
Fifth International Conference on Digital Information Management (ICDIM 2010), Thunder Bay, Canada, July 5-8, 2010

 
  ·T. Schlüter, T. Kißels, S. Conrad:
AS3: A Framework for Automatic Sleep Stage Scoring
IADIS European Conference on Data Mining 2010, Freiburg, Germany, July 28-30, 2010

 
  ·P. Rölike:
Effiziente Darstellung und Verwaltung von Bildregionen
Datenbank-Spektrum

 
  ·L. Himmelspach, S. Conrad:
Fuzzy Clustering of Incomplete Data based on Cluster Dispersion
Computational Intelligence for Knowledge-based System Design, 13th International Conference on Information Processing and Management of Uncertainty, IPMU 2010, Dortmund, Germany, June 28 - July 2, 2010

 
  ·J. Zhao:
Subspace Clustering with Gravitation
Grundlagen von Datenbanken 2010 (GvD 2010), 25.-28.05.2010, Bad Helmstedt

PDF
  ·O. Daute, S. Conrad:
Supporting Complex Business Information Systems
Business Information Systems, 13th International Conference, BIS 2010, Berlin, 3-5 May 2010

 
  ·H. Le:
Making Use of Category Structure for Multi-class Classification
(PhD Thesis)

PDF
  ·H. Le, S. Conrad:
Classifying Structured Web Sources Using Support Vector Machine and Aggressive Feature Selection
Web Information Systems and Technologies (5th International Conference, WEBIST 2009, Revised Selected Papers)

 
  ·T. Schlüter, S. Conrad:
Mining Several Kinds of Temporal Association Rules Enhanced by Tree Structures
International Conference on Information, Process, and Knowledge Management (eKNOW 2010), Saint Maarten, Netherlands, Antilles, February 10-15, 2010

 

2009

  ·T. Scholz, S. Alcic, S. Conrad:
Automatic Annotation of Web Images combined with Learning of Contextual Knowledge
Proceedings International Workshop on Semantic Multimedia Database Technologies (SeMuDaTe 2009)

PDF
  ·K. Zaiß, S. Conrad:
Partial Ontology Matching Using Instance Features
On the Move to Meaningful Internet Systems: OTM Conferences 2009, ODBase 2009, 01-06. November 2009, Vilamoura, Portugal

 
  ·O. Daute, S. Conrad:
Maintainability and Control of Long-lived Enterprise Solutions
Design4Future 2009: Design for Future - Langlebige Softwaresysteme, Workshop, Karlsruhe, Germany, October 15-16, 2009

 
  ·O. Daute, S. Conrad:
Activity Control in Application Landscapes
Proceedings First International Conference on Cloud Computing, October 19 - 21, 2009, Munich, Germany

 
  ·J. Vompras:
Combining Features and Semantics: Advanced Methods for Content-based Retrieval
(siehe auch Online-Publikation, ULB Düsseldorf)

PDF
  ·K. Zaiß, T. Schlüter, S. Conrad:
Instance-Based Ontology Matching Using Different Kinds Of Formalisms
Proceedings of the International Conference on Semantic Web Engineering, World Academy of Science, Engineering and Technology, July 29-21, Oslo, Norway

PDF
  ·J. Zhao, S. Conrad:
Automatische Parameterbestimmung durch Gravitation in Subspace Clustering
Tagungsband zum 21. GI-Workshop über Grundlagen von Datenbanken (21th GI-Workshop on the Foundations of Databases), 02.-05.Juni 2009, Rostock

 
  ·L. Himmelspach:
Vergleich von Strategien zum Clustern von Daten mit fehlenden Werten
Tagungsband zum 21. GI-Workshop über Grundlagen von Datenbanken (21th GI-Workshop on the Foundations of Databases), 02.-05.Juni 2009, Rostock

 
  ·T. Schlüter, S. Conrad:
TARGEN: A Market Basket Dataset Generator for Temporal Association Rule Mining
IADIS European Conference Data Mining 2009, Algarve, Portugal, June 18-20, 2009

 
  ·K. Zaiß:
Entwicklung eines Evaluations-Frameworks für instanz-basierte Ontologie-Matching-Verfahren
Tagungsband zum 21. GI-Workshop über Grundlagen von Datenbanken (21th GI-Workshop on the Foundations of Databases), 02.-05.Juni 2009, Rostock

 
  ·O. Daute:
Introducing Real-Time Business Case Database- An Approach to Improve System Maintenance of Complex Application Landscapes
11th International Conference on Enterprise Information Systems, 6-10 May, Milan, Italy

 
  ·P. Rölike:
Effiziente Darstellung und Verwaltung von Bildregionen
Beitragsband des Studierendenprogramms der 13. GI-Fachtagung für Business, Technologie und Web, 3. März 2009, Münster

 
  ·H. Le, S. Conrad:
Classifying Structured Web Sources Using Aggressive Feature Selection
5th International Conference on Web Information Systems and Technologies (WebIST 2009), 23-26 March 2009, Lisbon, Portugal (see also http://www.webist.org/)

PDF
  ·A. Omari:
Data Mining for Improved Website Design and Enhanced Marketing
Data Mining for Design and Marketing

 

2008

  ·S. Alcic, S. Conrad:
2-DOM: A 2-dimensional Object Model towards Web Image Annotation
3rd International Workshop on Semantic Media Adaptation and Personalization (SMAP 08), December 15-16, 2008, Prague, Czech Republic

 
  ·K. Zaiß, T. Schlüter, S. Conrad:
Instance-Based Ontology Matching using Regular Expressions
On the Move to Meaningful Internet Systems: OTM 2008 Workshops, ODBase 2008, LNCS 5333, 9-14. November 2008, Monterrey, Mexico

 
  ·J. Vompras, T. Scholz, S. Conrad:
Extracting Contextual Information from Multiuser Systems for Improving Annotation-based Retrieval of Image Data
The ACM International Conference on Multimedia Information Retrieval, October 30-31, 2008, Vancouver, Canada

PDF
  ·A. Omari, R. Langer, S. Conrad:
TARtool: A Temporal Dataset Generator for Market Basket Analysis
Advanced Data Mining and Applications, 4th International Conference, ADMA 2008

 
  ·M. Matuschek, T. Schlüter, S. Conrad:
Measuring Text Similarity With Dynamic Time Warping
Proceedings of the 2008 International Symposium on Database Engineering & Applications, Coimbra, Portugal, September 10-12, 2008

PDF
  ·A. Omari:
Data Mining for Retail Website Design and Enhanced Marketing
(PhD Thesis)

PDF
  ·A. Omari, M. Ben Lamine, S. Conrad:
On Using Clustering And Classification During The Design Phase To Build well-structured Retail Websites
IADIS European Conference on Data Mining 2008 (ECDM 2008)

 
  ·M. Viermetz:
Partitioning Massive Graphs for Content Oriented Social Network Analysis
(PhD Thesis)

PDF
  ·T. Schlüter:
Bestimmung interessanter zeitlicher Zusammenhänge für Temporal Data Mining
Proceedings of the 20th GI-Workshop on Foundations of Databases (Grundlagen von Datenbanken), Apolda, Germany, May 13-16, 2008

 
  ·K. Zaiß:
Entwicklung eines Frameworks für instanzbasiertes Ontologie-Matching
Tagungsband zum 20. GI-Workshop über Grundlagen von Datenbanken (20th GI-Workshop on the Foundations of Databases), 13.-16. Mai 2008, Apolda

 
  ·S. Alcic:
Verbesserung der Suche nach Webbildern durch automatische Annotationen
Tagungsband zum 20. GI-Workshop über Grundlagen von Datenbanken (20th GI-Workshop on the Foundations of Databases), 13.-16. Mai 2008, Apolda

 
  ·J. Vompras, S. Conrad:
Enhancing Semantic Image Retrieval by Query Expansion using User-Specific Annotation Profiles
IASTED International Conference on Internet and Multimedia Systems and Applications
(EuroIMSA 2008), 17-19 March 2008, ACTA Press, Innsbruck, Austria

 
  ·K. Zaiß:
Ontologie-Matching: Überblick und Evaluation
Datenbank Spektrum

 
  ·J. Vompras, S. Conrad:
Management and Processing of Personalized Annotations in Image Retrieval Systems
Advances in Semantic Media Adaptation and Personalization. Springer Series on Studies in Computational Intelligence, Vol. 93. Springer-Verlag, January 2008

 

2007

  ·A. Omari, S. Conrad, S. Alcic:
Designing a Well-Structured E-Shop Using Association Rule Mining
4th International Conference on Innovations in Information Technology, 18-20 November 2007, Dubai, United Arab Emirates

 
  ·M. Viermetz, M. Skubacz:
Using Topic Discovery to Segment Large Communication Graphs for Social Network Analysis
International Conference on Web Intelligence (WI 2007)

 
  ·A. Omari, A. Hinneburg, S. Conrad:
Temporal Frequent Item Set Mining
Knowledge Discovery, Data Mining and Machine Learning (KDML 2007), 24-26 September 2007, Halle, Germany

 
  ·L. Himmelspach, M. Kolac, K. Kutsarov, A. Chernin, C. Popfinger, S. Conrad:
COMICS: A Global Constraint Manager for Interactive Component Database Systems
Network-based Information Systems (NBiS-2007), Sept. 3-7, 2007, Regensburg, Germany

 
  ·M. Samia, S. Conrad:
A Time-Series Representation for Temporal Web Mining Using a Data Band Approach
Databases and Information Systems IV - Selected Papers from the Seventh International Baltic Conference DB&IS'2006

 
  ·S. Alcic:
Konzeption und Implementierung einer Datenbank zur Speicherung, Verwaltung und Retrieval von Bilddaten
Proceedings of the Studierendenprogramm of the 12th GI-Conference on Databases, Technology and Web (March 6, 2007, Aachen)

 
  ·H. Höpfner, S. Conrad:
Proceedings of the Studierendenprogramm at the 12th GI-Conference on Databases, Technology and Web (March 6, 2007, Aachen)

 
  ·M. Jarke, T. Seidl, C. Quix, D. Kensche, S. Conrad, E. Rahm, R. Klamma, H. Kosch, M. Granitzer, S. Apel, M. Rosenmüller, G. Saake, O. Spinczyk:
Datenbanksysteme in Business, Technologie und Web (BTW 2007), Workshop Proceedings

 
  ·A. Omari, S. Conrad:
On Controlling and Prediction of Next Best Sellings through Periodical Mining for {Semi/Non}-interesting Association Rules
1st International Conference on Digital Communications and Computer Applications (DCCA2007), 19-22 March 2007, Jordan University of Science and Technology, Irbid, Jordan

 

2006

  ·M. Viermetz, C. Stolz, V. Gedov, M. Skubacz:
Relevance and Impact of Tabbed Browsing Behavior on Web Usage Mining
2006 IEEE / WIC / ACM International Conference on Web Intelligence (WI 2006)

 
  ·J. Vompras, S. Conrad:
Unifying Different Users' Interpretations and Levels of Abstraction for Improving Annotation-based Image Retrieval
1st International Workshop on Semantic Media Adaptation and Personalization (SMAP 2006), Athens, Greece, December 2006

 
  ·C. Pérez de Laborda:
Incorporating Relational Data into the Semantic Web
(PhD Thesis)

 
  ·C. Pérez de Laborda, S. Conrad:
Database to Semantic Web Mapping using RDF Query Languages
Conceptual Modeling - ER 2006, 25th International Conference on Conceptual Modeling, Tucson, AZ, USA, November 2006

PDF
  ·A. Omari, S. Conrad:
Web Usage Mining for Adaptive and Personalized Websites
Knowledge Discovery, Data Mining, and Machine Learning (KDML 2006), 9-13 October 2006, Hildesheim, Germany

 
  ·C. Pérez de Laborda, M. Zloch, S. Conrad:
RDQuery - Querying Relational Databases on-the-fly with RDF-QL
Poster and Demo Proceedings of the 15th International Conference on Knowledge Engineering and Knowledge Management, EKAW 2006, Podebrady, Czech Republic, 2nd-6th October, 2006

PDF
  ·C. Stolz, M. Barth, M. Viermetz, K. Wilde:
Searchstrings revealing user intent: a better understanding of user perception
Proceedings of the 6th International Conference on Web Engineering, ICWE 2006, Palo Alto, California, USA, July 11-14, 2006

 
  ·C. Popfinger:
Enhanced Active Databases for Federated Information Systems
(PhD Thesis)

 
  ·M. Samia:
Temporal Web Mining
(PhD Thesis)

 
  ·M. Samia, S. Conrad:
A Time Series Representation for Temporal Web Mining
Seventh International Baltic Conference on Databases and Information Systems (Baltic DB&IS'2006), Vilnius, Lithuania, July 2006

 
  ·A. Omari, S. Conrad:
Association Rule Mining and Website's Design Improvement
18. Workshop über Grundlagen von Datenbanken (18th GI-Workshop on the Foundations of Databases), 6- 9 Juni 2006, Wittenberg, Sachsen-Anhalt

 
  ·C. Pérez de Laborda, S. Conrad:
Bringing Relational Data into the Semantic Web using SPARQL and Relational.OWL
Semantic Web and Databases, Third International Workshop, SWDB 2006, Co-located with ICDE, Atlanta, USA, April 2006

PDF
  ·S. Conrad, C. Pérez de Laborda, K. Sattler:
Query Languages and Query Processing (QLQP-2006), Contributions to the 10th International Workshop on Foundations of Models and Languages for Data and Objects (FMLDO)
(revised versions of the workshop papers will be included in the joint post proceedings for all EDBT2006 workshops, Springer LNCS)

 
  ·A. Omari, S. Conrad:
On the Usage of Data Mining to Support Website Designers to Have Better Designed Websites
International Conference on Internet and Web Applications and Services (ICIW 2006), 19-25 February 2006, Guadeloupe, French Caribbean.

 

2005

  ·J. Vompras, S. Conrad:
Generating Semantic Templates to Support the Image Annotation Process
Proceedings of the European Workshop for the Integration of Knowledge, Semantics and Digital Media Technology (EWIMT 2005), December 2005, The IEE, Savoy Place, London, UK

 
  ·J. Mendling, C. Pérez de Laborda, U. Zdun:
Towards an Integrated BPM Schema: Control Flow Heterogeneity of PNML and BPEL4WS
Professional Knowledge Management: Third Biennial Conference, WM 2005, Kaiserslautern, Germany, April 10-13, 2005, Revised Selected Papers

PDF
  ·J. Vompras, S. Conrad:
A semi-automated Framework for Supporting Semantic Image Annotation
Proc. 5th International Workshop on Knowledge Markup and Semantic Annotation (SemAnnot 2005) at the 4rd International Semantic Web Conference (ISWC 2005), November 2005, Galway, Ireland

 
  ·C. Popfinger, S. Conrad:
Maintaining Global Integrity in Federated Relational Databases using Interactive Component Systems
On the Move to Meaningful Internet Systems 2005: CoopIS, DOA, and ODBASE, OTM Confederated International Conferences, October 2005, Agia Napa, Cyprus

PDF
  ·S. Conrad, W. Hasselbring, A. Koschel, R. Tritsch:
Enterprise Application Integration

 
  ·C. Stolz, M. Viermetz, M. Skubacz, R. Neuneier:
Guidance Performance Indicator - Web Metrics for Information Driven Web Sites
2005 IEEE / WIC / ACM International Conference on Web Intelligence (WI 2005), 19-22 September 2005, Compiegne, France

 
  ·C. Pérez de Laborda, S. Conrad:
Querying Relational Databases with RDQL
Berliner XML Tage 2005

PDF
  ·C. Popfinger, S. Conrad:
Tightly-coupled Wrappers with Event Detection Subsystem for Heterogeneous Information Systems
DEXA Workshop Proceedings of the 8th Intl. Workshop on Network-Based Information Systems (NBiS 2005), August 22 - 26, Copenhagen, Denmark

 
  ·C. Pérez de Laborda, C. Popfinger, S. Conrad:
Dynamic Intra- and Inter-Enterprise Collaboration Using an Enhanced Multidatabase Architecture
DEXA Workshop Proceedings of the 16th Intl. Workshop on Web Based Collaboration (WBC 2005), August 22 - 26, Copenhagen, Denmark

PDF
  ·C. Stolz, M. Viermetz, M. Skubacz, R. Neuneier:
Improving Semantic Consistency of Web Sites by Quantifying User Intent
Web Engineering, 5th International Conference, ICWE 2005, Sydney, Australia, July 27-29, 2005, Proceedings

 
  ·M. Samia, S. Conrad:
A Representation of Time Series for Prediction
22nd British National Conference on Databases: BNCOD Data Mining and Knowledge Discovery Workshop

 
  ·E. Altareva, S. Conrad:
Evaluating and Improving Integration Quality for Heterogeneous Data Sources using Statistical Analysis
9th International Database Applications & Engineering Symposium (IDEAS 2005), Montreal, Canada

 
  ·G. Saake, K. Sattler, S. Conrad:
Rule-Based Schema Matching for Ontology-based Mediators
Journal of Applied Logic

 
  ·H. Le:
Integration of Web Data Sources: A Survey of Existing Problems
Tagungsband zum 17. GI-Workshop über Grundlagen von Datenbanken (17th GI-Workshop on the Foundations of Databases), Wörlitz, 17. - 20. Mai 2005

 
  ·J. Vompras:
Towards Adaptive Ontology-Based Image Retrieval
Tagungsband zum 17. GI-Workshop über Grundlagen von Datenbanken (17th GI-Workshop on the Foundations of Databases), Wörlitz, 17. - 20. Mai 2005

 
  ·E. Altareva, S. Conrad:
Improving Integration Quality
29th Annual Conference of the German Classification Society (GfKl 2005), From Data and Information Analysis to Knowledge Engineering, 2005 (Abstract)

 
  ·J. Mendling, C. Pérez de Laborda, U. Zdun:
Towards Semantic Integration of XML-based Business Process Models
WM2005:Professional Knowledge Management Experiences and Visions

PDF
  ·M. Samia, S. Conrad:
From Temporal Data Mining and Web Mining To Temporal Web Mining
Databases and Information Systems: Selected Papers from the Sixth International Baltic Conference DB&IS'2004

 
  ·E. Altareva:
Improving Integration Quality for Heterogeneous Data Sources

PDF
  ·C. Pérez de Laborda, S. Conrad:
RelationalOWL - A Data and Schema Representation Format Based on OWL
Conceptual Modelling 2005, Second Asia-Pacific Conference on Conceptual Modelling (APCCM2005), Newcastle, Australia, January 30 - February 3, 2005

PDF

2004

  ·C. Popfinger, C. Pérez de Laborda, S. Conrad:
Link Patterns for Modeling Information Grids and P2P Networks
Conceptual Modeling - ER 2004, 23rd International Conference on Conceptual Modeling, Shanghai, China, November 2004, Proceedings

PDF
  ·C. Popfinger, C. Pérez de Laborda, S. Conrad:
Dígame: A Push-based P2P Database
BNCOD21 (21st Annual British National Conference on Databases), Proceedings Volume 2, Edinburgh (UK)

 
  ·M. Samia:
A Representation of Time Series for Temporal Web Mining
Tagungsband zum 16. GI-Workshop Über Grundlagen von Datenbanken (16th GI-Workshop on the Foundations of Databases)

 
  ·C. Pérez de Laborda, C. Popfinger:
A Flexible Architecture for a Push-based P2P Database
Tagungsband zum 16. GI-Workshop über Grundlagen von Datenbanken (16th GI-Workshop on the Foundations of Databases), Monheim

 
  ·M. Samia, S. Conrad:
From Temporal Data Mining and Web Mining To Temporal Web Mining
Proceedings of the Sixth International Baltic Conference on Databases and Information Systems (BalticDB&IS'2004)

 
  ·C. Wyss, A. James, W. Hasselbring, S. Conrad, H. Höpfner:
Report on the Engineering Federated Information Systems 2003 workshop (EFIS 2003)
ACM SIGSOFT Software Engineering Notes

 
  ·C. Pérez de Laborda, C. Popfinger, S. Conrad:
Dígame: A Vision of an Active Multidatabase with Push-based Schema and Data Propagation
Proceedings of the GI-/GMDS-Workshop on Enterprise Application Integration (EAI'04)

PDF
  ·M. Samia, S. Conrad:
Tagungsband zum 16. Workshop Grundlagen von Datenbanken
Tagungsband zum 16. Workshop Grundlagen von Datenbanken

 

2003

  ·E. Altareva, S. Conrad:
Statistical Analysis as Methodological Framework for Data(base) Integration
22nd International Conference on Conceptual Modeling - ER 2003, Chicago, IL, USA, October 2003

PDF
  ·C. Pérez de Laborda, S. Conrad:
A Semantic Web based Identification Mechanism for Databases
10th International Workshop on Knowledge Representation meets Databases(KRDB2003)

PDF
  ·E. Altareva, S. Conrad:
Applying Latent Class Analysis for Evaluating Uncertainties in the Database Integration Process
Uncertainty, Incompleteness, Imprecision and Conflict in Multiple Data Sources, Proceedings of the ECSQARU'03 Workshop, July 2, 2003, Aalborg, Denmark

 
  ·E. Altareva, S. Conrad:
Analyzing Uncertainties in the Database Integration Process by Means of Latent Class Analysis
Engineering Federated Information Systems, Proceedings of the 5th Workshop EFIS 2003, July 17-18, 2003, Coventry (UK)

 
  ·A. James, S. Conrad, W. Hasselbring:
Engineering Federated Information Systems, Proceedings of the 5th Workshop EFIS 2003, July 17-18, 2003, Coventry (UK)

 
  ·M. Samia:
Temporal Web Mining
Grundlagen von Datenbanken

 
  ·E. Altareva, S. Conrad:
Unsichere Informationen bei der Datenbankintegration und ihre Behandlung im Integrationsprozess
Datenbank-Spektrum

 
  ·C. Popfinger:
Realisation of Active Multidatabases by Extending Standard Database Interfaces
Tagungsband zum 15. GI-Workshop über Grundlagen von Datenbanken (15th GI-Workshop on the Foundations of Databases), Tangermünde

PDF
  ·K. Sattler, S. Conrad, G. Saake:
Interactive Example-driven Integration and Reconciliation for Accessing Database Federations
Information Systems

 
  ·S. Conrad, K. Turowski:
Specification of Business Components Using Temporal OCL
UML and the Unified Process

 
  ·C. Pérez de Laborda:
Metadatenbasierte Konzepte für die Migration und Integration von Daten (DA)
(Diplomarbeit)

 
  ·C. Pérez de Laborda:
Metadatenbasierte Konzepte für die Migration und Integration von Daten
Beitragsband zum Studierenden-Programm bei der 10. Fachtagung Datenbanksyeteme für Business, Technologie und Web

 

2002

  ·C. Popfinger:
Sicherstellung der Datenqualität bei der Integration web-basierter Informationssysteme
(Diplomarbeit)

 
  ·E. Altareva, S. Conrad:
Dealing with Uncertainties during the Data(base) Integration Process
Tagungsband zum 14. GI-Workshop Grundlagen von Datenbanken, Strandhotel Fischland, Halbinsel Fischland-Dar{\ss}-Zingst, Mecklenburg-Vorpommern, 21. bis 24. Mai 2002

 
  ·K. Sattler, S. Conrad, G. Saake:
Datenintegration und Mediatoren
Web und Datenbanken

 
  ·S. Conrad:
Schemaintegration - Integrationskonflikte, Lösungsansätze, aktuelle Herausforderungen
Informatik - Forschung & Entwicklung

 
  ·E. Altareva:
Uncertain Information in Data Integration
EDBT 2002 PhD Workshop (Proceedings)

 
  ·S. Conrad, W. Hasselbring, A. James, D. Kambur, R. Kutsche, P. Thiran:
Report on the EFIS 2001 Workshop
The Computer Journal

 
  ·C. Pérez de Laborda, P. Oberlechner:
One Net durch Web-Single-Sign-on
Novell Magazin

PDF
  ·J. Ackermann, F. Brinkop, S. Conrad, P. Fettke, A. Frick, E. Glistau, H. Jaekel, U. Klein, O. Kotlar, P. Loos, H. Mrech, E. Ortner, S. Overhage, S. Sahm, A. Schmietendorf, T. Teschke, K. Turowski:
Vorschlag zur Vereinheitlichung der Spezifikation von Fachkomponenten.
Memorandum des GI-Arbeitskreises 5.10.3 Komponentenorientierte betriebliche Anwendungssysteme, Februar 2002.
siehe auch www.fachkomponenten.de (-> Memorandum)!

 

2001

  ·E. Altareva, S. Conrad:
The Problem of Uncertainty and Database Integration
Engineering Federated Information Systems, Proceedings of the 4th Workshop EFIS 2001, Oct 9-10, 2001, Berlin (Germany)

 
  ·R. Kutsche, S. Conrad, W. Hasselbring:
Engineering Federated Information Systems, Proceedings of the 4th Workshop EFIS 2001, Oct 9-10, 2001, Berlin (Germany)

 
  ·K. Sattler, O. Dunemann, I. Geist, G. Saake, S. Conrad:
Limiting Result Cardinalities for Multidatabase Queries Using Histograms
Advances in Databases, 18th British National Conference on Databases, BNCOD-18

 
  ·K. Sattler, S. Conrad, G. Saake:
Interactive Example-driven Integration and Reconciliation for Accessing Database Federations

 
  ·H. Oakasha, S. Conrad, G. Saake:
Consistency Management in Object-Oriented Databases
Concurrency and Computation: Practice & Experience

 
  ·C. Pérez de Laborda, P. Oberlechner, . db:
Single-Sign-On für Intranet-Anwendungen - Novell iChain 2.0
LANline - Das Magazin für Netze, Daten- und Telekommunikation

 
  ·W. Degenhardt, C. Pérez de Laborda:
Virtuelle Universität durch Sicherheit und Personalisierung auf der Basais von Novell NDS eDirecotry
Innovative Anwendungen in Kommunikationsnetzen -- 15. DFN-Arbeitstagung über Kommunikationsnetze Düsseldorf

 
  ·C. Pérez de Laborda, . db:
Novell im Umbruch - In Zukunft ohne Windows Client
LANline - Das Magazin für Netze, Daten- und Telekommunikation

 
  ·C. Pérez de Laborda, . db:
Veritas User-Konferenz - Schnappschüsse beim Backup
LANline - Das Magazin für Netze, Daten- und Telekommunikation

 
  ·G. Saake, C. Türker, S. Conrad:
Evolving Objects: Conceptual Description of Adaptive Information Systems
Database Schema Evolution and Meta-Modeling --- 9th International Workshop on Foundations of Models and Languages for Data and Objects, Dagstuhl Castle, Germany (Selected Papers)

PDF
  ·H. Balsters, B. de Brock, S. Conrad:
Database Schema Evolution and Meta-Modeling --- 9th International Workshop on Foundations of Models and Languages for Data and Objects (Selected Papers), Dagstuhl, Germany, September 2000
Database Schema Evolution and Meta-Modeling --- 9th International Workshop on Foundations of Models and Languages for Data and Objects (Selected Papers), Dagstuhl, Germany, September 2000

 
  ·S. Conrad, K. Turowski:
Temporal OCL: Meeting Specifications Demands for Business Components
Unified Modeling Language: Systems Analysis, Design and Development Issues

 
  ·G. Preuner, S. Conrad, M. Schrefl:
View Integration of Behavior in Object-oriented Databases
Data & Knowledge Engineering

 

2000

  ·J. Fischer, S. Conrad:
Formalizing Timing Diagrams as Causal Dependencies for Verification Purposes
Integrated Formal Methods, Second International Conference, IFM 2000, Dagstuhl Castle, November 2000

PDF
  ·G. Saake, C. Türker, S. Conrad:
Evolving Objects: Conceptual Description of Adaptive Information Systems
Int. Workshop Database Schema Evolution and Meta Modeling DEMM'2000 (9th Int. Workshop on Foundations of Models and Languages for Data and Objects) 18.-21. September 2000, Schloss Dagstuhl, Germany ((revised version published in LNCS 2065, Springer-Verlag))

 
  ·J. Fischer, S. Conrad:
Representing Timing Diagrams by Causal Dependencies
Rigorose Entwicklung software-intensiver Systeme, Workshop der GI-Jahrestagung Informatik'2000, Berlin

 
  ·M. Roantree, W. Hasselbring, S. Conrad:
Engineering Federated Information Systems, Proceedings of the 3rd Workshop EFIS 2000, June 19--20, 2000, Dublin (Ireland)
Engineering Federated Information Systems, Proceedings of the 3rd Workshop EFIS 2000, June 19--20, 2000, Dublin (Ireland)

 
  ·K. Sattler, S. Conrad, G. Saake:
Adding Conflict Resolution Features to a Query Language for Database Federations
Engineering Federated Information Systems, Proceedings of the 3rd Workshop EFIS 2000, June 19--20, 2000, Dublin (Ireland)

 
  ·S. Conrad, K. Turowski:
Vereinheitlichung der Spezifikation von Fachkomponenten auf der Basis eines Notationsstandards
Modelle und Modellierungssprachen in Informatik und Wirtschaftsinformatik (Beiträge des Workshops Modellierung 2000, St. Goar, 5.-7. April 2000)

 
  ·C. Pérez de Laborda, . db:
ZENworks for Desktops im Praxistest - Mehr als nur Software-Verteilung
LANline - Das Magazin für Netze, Daten- und Telekommunikation

 
  ·K. Sattler, S. Conrad, G. Saake:
Adding Conflict Resolution Features to a Query Language for Database Federations
Australian Journal of Information Systems

 

1999

  ·I. Schmitt, S. Conrad:
Restrukturierung objektorientierter Datenbankschemata mittels formaler Begriffsanalyse
Informatik -- Forschung & Entwicklung

PDF
  ·K. Sattler, S. Conrad:
Konfliktbehandlung in einer Anfragesprache für Datenbankföderationen
4. Workshop ``Föderierte Datenbanken'', Berlin November 1999

 
  ·G. Preuner, S. Conrad:
View Integration of Object Life-Cycles in Object-oriented Design
Conceptual Modeling - ER'99 (18th International Conference on Conceptual Modeling, Paris, France, November 15-18, 1999

PDF
  ·K. Schwarz, I. Schmitt, C. Türker, M. Höding, E. Hildebrandt, S. Balko, S. Conrad, G. Saake:
Design Support for Database Federations
Conceptual Modeling - ER'99 (18th International Conference on Conceptual Modeling, Paris, France, November 15-18, 1999

PDF
  ·S. Balko, C. Türker, S. Conrad, I. Schmitt, G. Saake, M. Höding:
SIGMABench: A Federated Database Design Prototype
Demos and Posters Proceedings of the 18th Int. Conf. on Conceptual Modeling, ER'99

 
  ·N. Aoumeur, S. Conrad, G. Saake:
Prototyping Object Specifications Using the CO-Nets Approach
Proceedings 6. Workshop Algorithmen und Werkzeuge für Petrinetze (11.-12. Oktober 1999)

 
  ·S. Conrad, W. Hasselbring, U. Hohenstein, R. Kutsche, M. Roantree, G. Saake, F. Saltor:
Engineering Federated Information Systems - Report of EFIS'99 Workshop
ACM SIGMOD Record

 
  ·S. Conrad, G. Saake:
Objektorientierung für Informationssysteme: Eine kritische Bestandsaufnahme
Entwicklungsmethoden für Informationssysteme und deren Anwendung (EMISA'99, GI-Fachtagung, September 1999, Fischbachau)

 
  ·G. Saake, S. Conrad, I. Schmitt, C. Türker:
Database Design: Object-Oriented versus Relational
Entwicklungsmethoden für Informationssysteme und deren Anwendung (EMISA'99, GI-Fachtagung, September 1999, Fischbachau)

 
  ·H. Oakasha, S. Conrad, G. Saake:
Consistency Management in Object-Oriented Databases
Proc. of the 1st ECOOP'99 Workshop on Object-Oriented Databases, (Lisbon, Portugal, June 15th, 1999)

 
  ·G. Saake, S. Conrad, I. Schmitt:
Database Design
Encyclopedia of Electrical and Electronics Engineering, Vol. 4

 
  ·S. Conrad, W. Hasselbring, G. Saake:
Engineering Federated Information Systems, Proceedings of the 2nd Workshop EFIS'99, May 5-7, 1999, Kühlungsborn (Germany)

 
  ·M. Höding, K. Schwarz, S. Conrad, G. Saake, S. Balko, A. Diekmann, E. Hildebrandt, K. Sattler, I. Schmitt, C. Türker:
SIGMAFDB: Overview of the Magdeburg-Approach to Database Federations
Proc. 2nd Int. Workshop on Engineering Federated Information Systems (EFIS'99, Kühlungsborn, Germany, May 5-7, 1999)

 
  ·P. Ciancarini, S. Conrad, W. Hasselbring:
Systems Integration (Dagstuhl Seminar, March 15-19, 1999

 
  ·S. Conrad, G. Saake, K. Sattler:
Informationsfusion - Herausforderungen an die Datenbanktechnologie
Datenbanksysteme in Büro, Technik und Wissenschaft (BTW'99, Freiburg, 01.-03.03.1999)

 
  ·H. Oakasha, S. Conrad, G. Saake:
Consistency Control in Object-Oriented Databases

 
  ·I. Schmitt, S. Conrad:
Restructuring Object-Oriented Database Schemata by Concept Analysis
Fundamentals of Information Systems (Post-Proceedings 7th Int. Workshop on Foundations of Models and Languages for Data and Objects FoMLaDO'98)

 
  ·S. Conrad, G. Saake, C. Türker:
Towards an Agent-Oriented Framework for Specification of Information Systems
Formal Models of Agents -- ESPRIT Project ModelAge Final Report, Selected Papers

 

1998

  ·S. Conrad, G. Saake, I. Schmitt:
Neue Entwicklungen in der Informatikausbildung: Symposium im Rahmen der GI-Jahrestagung Informatik'98, Magdeburg, 23.-24. September 1998. Tagungsband

 
  ·S. Conrad, W. Hasselbring:
Integration Heterogener Softwaresysteme IHS'98: Workshop im Rahmen der GI-Jahrestagung Informatik'98, Magdeburg, 21. September 1998. Tagungsband

 
  ·S. Conrad, I. Schmitt, C. Türker:
Considering Integrity Constraints During Federated Database Design
Advances in Databases, 16th British National Conf. on Databases (BNCOD-16, Cardiff, Wales, July 1998)

PDF
  ·S. Conrad:
Föderation heterogener Datenbanken
Datenbank-Management

 
  ·I. Schmitt, S. Conrad:
Re-engineering Object-Oriented Database Schemata by Concept Analysis
Preproceedings 7th International Workshop on Foundations of Models and Languages for Data and Objects (FoMLaDO'98, Timmel, Oct. 1998)

 
  ·S. Conrad, M. Höding:
Data-Mining Tasks in Federated Database Systems Design
Issues and Applications of Database Technology (IADT'98), Proc. of the 3rd World Conf. on Integrated Design and Process Technology, July 6-9, 1998, Berlin, Germany, IDPT'98 Proceedings Vol. 2

 
  ·S. Conrad:
A Logic Primer
Logics for Databases and Information Systems

 
  ·S. Conrad, J. Ramos, G. Saake, C. Sernadas:
Evolving Logical Specification in Information Systems
Logics for Databases and Information Systems

 

1997

  ·S. Conrad, B. Eaglestone, W. Hasselbring, M. Roantree, F. Saltor, M. Schönhoff, M. Strässler, M. Vermeer:
Research Issues in Federated Database Systems
ACM SIGMOD Record

 
  ·S. Conrad, G. Saake:
Extending Temporal Logic for Capturing Evolving Behaviour
Foundations of Intelligent Systems (Proceedings 10th Int. Symposium, ISMIS'97, Charlotte, North Carolina, October 1997)

 
  ·C. Türker, G. Saake, S. Conrad:
Modeling Database Federations in Terms of Evolving Agents
ISMIS 1997 - Poster Proceedings of the 10th Int. Symposium on Methodologies for Intelligent Systems (North Carolina, October 15-18, 1997)

 
  ·S. Conrad:
Föderierte Datenbanksysteme: Konzepte der Datenintegration

 
  ·S. Conrad, M. Höding, G. Saake, I. Schmitt, C. Türker:
Schema Integration with Integrity Constraints
Advances in Databases, 15th British National Conf. on Databases (BNCOD 15, London, UK, July 1997)

 
  ·C. Türker, S. Conrad:
Towards Maintaining Integrity of Federated Databases
Data Management Systems, Proc. of the 3rd Int. Workshop on Information Technology, BIWIT'97, July 2-4, 1997, Biarritz, France

 
  ·M. Höding, G. Saake, S. Conrad:
Integration heterogener Informationssysteme durch föderierte Datenbanksysteme
Magdeburger Wissenschaftsjournal

 
  ·S. Conrad, I. Schmitt, C. Türker:
Dealing With Integrity Constraints During Schema Integration
Engineering Federated Database Systems - Proceedings of the International Workshop (Barcelona, June 16-17, 1997)

 
  ·S. Conrad, W. Hasselbring, A. Heuer, G. Saake:
Engineering Federated Database Systems - Proceedings of the International Workshop (Barcelona, June 16-17, 1997)

 
  ·I. Schmitt, S. Conrad:
Restructuring Class Hierarchies for Schema Integration
Database Systems for Advanced Applications (DASFAA'97, Melbourne, Australia, April 1-4, 1997)

 
  ·S. Conrad, I. Schmitt, C. Türker:
Behandlung von Integritätsbedingungen bei Schemarestrukturierung und Schemaintegration
GI-Fachtagung Datenbanksysteme in Büro, Technik und Wissenschaft (BTW'97, March 05-07, 1997, Ulm)

 
  ·G. Saake, A. Christiansen, S. Conrad, M. Höding, I. Schmitt, C. Türker:
Föderierung heterogener Datenbanksysteme und lokaler Datenhaltungskomponenten zur systemübergreifenden Integritätssicherung - Kurzvorstellung des Projekts SIGMAFDB
GI-Fachtagung Datenbanksysteme in Büro, Technik und Wissenschaft (BTW'97, March 05-07, 1997, Ulm)

 
  ·S. Conrad, C. Türker:
Unternehmensweite Datenkonsistenz durch Integration bestehender Informationssysteme
Wirtschaftsinformatik'97: Internationale Geschäftsfähigkeit auf Basis flexibler Organisationsstrukturen und leistungsfähiger Informationssysteme (Berlin, Feb. 26-28, 1997)

 
  ·S. Conrad, C. Türker, G. Saake:
Towards Agent-Oriented Specification of Information Systems (Abstract)
Proceedings of the 1st International Conference on Autonomous Agents (Agents'97)

 
  ·M. Spiliopoulou, S. Conrad:
FACE: A Flexible Approach for Constraint Enforcement and Compensation of Constraint Violations in Federated Databases

 
  ·C. Türker, G. Saake, S. Conrad:
Requirements for Agent-based Modeling of Federated Database Systems
ModelAge 97, Proc. of the 4th ModelAge Workshop on Formal Models of Agents (Certosa di Pontignano, Italy, Jan. 15-17, 1997)

 
  ·S. Conrad, C. Türker, G. Saake:
Towards an Agent-Oriented Framework for Specification of Information Systems
ModelAge 97, Proc. of the 4th ModelAge Workshop on Formal Models of Agents (Certosa di Pontignano, Italy, Jan. 15-17, 1997)

 

1996

  ·S. Conrad, I. Schmitt, C. Türker:
Transformation von Integritätsbedingungen bei der Schemaintegration
2. Workshop Föderierte Datenbanken (Dec. 12-13, 1996, Dortmund)

 
  ·S. Conrad, H. Klein, K. Schewe:
Integrity in Databases - Proceedings of the 7th International Workshop on Foundations of Models and Languages for Data and Objects, Schloss Dagstuhl, Sept. 16-20, 1996

 
  ·S. Conrad:
Report on the International Workshop on Temporal Reasoning in Deductive and Object-Oriented Databases
The Knowledge Engineering Review

 
  ·G. Saake, S. Conrad, M. Höding, S. Janssen, I. Schmitt, C. Türker:
Föderierung heterogener Datenbanksysteme und lokaler Datenhaltungskomponenten zu systemübergreifenden Integritätssicherung - Grundlagen und Ziele des Projektes SIGMAFDB
Integrationskonzepte für Mensch, Technik, Organisation, und Planung (METOP'96)

 
  ·C. Türker, S. Conrad, G. Saake:
Dynamically Changing Behavior: An Agent-Oriented View to Modeling Intelligent Information Systems
Foundations of Intelligent Systems, Proc. 9th Int. Symposium on Methodologies for Intelligent Systems (ISMIS'96)

PDF
  ·S. Conrad, G. Saake, I. Schmitt, C. Türker:
Kurzfassungen - 8. Workshop``Grundlagen von Datenbanken'' - Workshops des GI-Arbeitskreises in Friedrichsbrunn/Harz (28.05.-31.05.96)

 
  ·C. Türker, S. Conrad:
Using Active Mechanisms for Global Integrity Maintenance in Federated Database Systems
Workshop``Föderierte Datenbanken'' - Kurzfassungen der Beiträge

 
  ·S. Conrad, M. Höding, S. Janssen, G. Saake, I. Schmitt, C. Türker:
Integrity Constraints in Federated Database Design

 
  ·S. Conrad, M. Höding, S. Janssen, G. Saake:
Workshop ``Föderierte Datenbanke'' - Kurzfassungen der Beiträge

 
  ·S. Conrad:
A Basic Calculus for Verifying Properties of Interacting Objects
Data & Knowledge Engineering

 
  ·S. Conrad, G. Saake:
Specifying Evolving Temporal Behaviour
Proc. of the 2nd Workshop of the ModelAge' Project (ModelAge'96, Sesimbra, Portugal)

 
  ·C. Türker, S. Conrad, G. Saake:
Dynamically Changing Behavior: An Agent-Oriented View to Modeling Information Systems
Proc. of the 2nd Workshop of the ModelAge' Project (ModelAge'96, Sesimbra, Portugal)

 

1995

  ·M. Höding, C. Türker, S. Janssen, K. Sattler, S. Conrad, G. Saake, I. Schmitt:
Föderierte Datenbanksysteme - Grundlagen und Ziele des Projektes SIGMAFDB

 
  ·K. Ong, S. Conrad, T. Ling:
Knowledge Discovery and Temporal Reasoning in Deductive and Object-Oriented Databases - Proceedings of the DOOD'95 Post-Conference Workshops

 
  ·S. Conrad, C. Türker:
Active Integrity Maintenance in Federated Database Systems

 
  ·M. Gogolla, S. Conrad, G. Denker, R. Herzig, N. Vlachantonis, H. Ehrich:
TROLL light: The Language and Its Development Environment
KORSO: Methods, Languages, and Tools for the Construction of Correct Software

 
  ·S. Conrad:
Compositional Object Specification and Verification
Int. Conf. on Software Quality (ICSQ'95), Maribor (Slovenia)

 
  ·G. Saake, S. Conrad, C. Türker:
From Object Specification towards Agent Design
Object-Oriented & Entity-Relationship Modelling - OOER'94 (Proc. of the 14th Int. Conf., Gold Coast, Australia)

PDF
  ·S. Conrad, C. Türker:
Prototyping Object Specifications Using Active Database Systems
Proc. of the 10th Int. Symposium on Computer and Information Sciences (ISCIS X), Kusadas (Turkey)

 
  ·G. Saake, S. Conrad, I. Schmitt, C. Türker:
Object-Oriented Database Design: What is the Difference with Relational Database Design?
ObjectWorld'95 - Conference Notes, Software Development Track SD.6

 
  ·S. Conrad, G. Saake:
Evolving Temporal Behaviour in Information Systems
Int. Workshop on Higher-Order Algebra, Logic and Term Rewriting (HOA'95) - Participant's Proceedings, Paderborn

 
  ·S. Conrad, G. Denker, M. Gogolla, R. Herzig, N. Vlachantonis, H. Ehrich:
Entwicklung zuverlässiger Informationssysteme
EMISA Forum (journal of the GI specialist group on 'development methods for information systems and their applications')

 
  ·S. Conrad, C. Türker:
Aktive Mechanismen zur Konsistenzsicherung in föderierten Datenbanksystemen
7. Workshop ``Grundlagen von Datenbanken''

 
  ·M. Gogolla, S. Conrad, G. Denker, R. Herzig, N. Vlachantonis:
A Development Environment for an Object Specification Language
IEEE Transactions on Knowledge and Data Engineering

 
  ·S. Conrad:
Unterstützung eines korrektheitszentrierten Entwurfs von Informationssystemen
Datenbanksysteme in Büro, Technik und Wissenschaft (BTW'95)

 
  ·S. Conrad, M. Gogolla, R. Herzig:
Safe Derivations in Object Hierarchies
OOIS'94 - 1994 Int. Conf. on Object Oriented Information Systems

 

1994

  ·S. Conrad:
Temporal Logic Specification of Objects: An Approach to Compositionality and Reusability Allowing next Operators
Working Papers of the International Workshop on Information Systems - Correctness and Reusability IS-CORE'94

 
  ·M. Gogolla, R. Herzig, S. Conrad, G. Denker, N. Vlachantonis:
Integrating the ER-Approach in an OO Environment
Proc. 12th Int. Conf. on the Entity-Relationship Approach (ER'93)

 
  ·S. Conrad, P. Löhr, G. Saake:
Kurzfassungen - 6. Workshop `Grundlagen von Datenbanken'

 
  ·S. Conrad, G. Denker, H. Ehrich, M. Gogolla, R. Herzig, N. Vlachantonis:
The KORSO Approach to the Development of Reliable Information Systems

 
  ·S. Conrad:
A Basic Calculus for Verifying Properties of Synchronously Interacting Objects

 
  ·S. Conrad:
Ein Basiskalkül für die Verifikation von Eigenschaften synchron interagierender Objekte

 
  ·S. Conrad, H. Ehrich:
An Elementary Logic for Object Specification and Verification
GI-AK/EMISA-Workshop ``Formale Grundlagen für den Entwurf von Informationssysteme'' (Tutzing 24.-26.05.94)

 
  ·S. Conrad:
On Certification of Specifications for TROLL light Objects
Proc. Workshop on Abstract Data Types (WADT'92), Barcelona

PDF
  ·R. Herzig, S. Conrad, M. Gogolla:
Compositional Description of Object Communities with TROLL light
Proc. Basque Int. Workshop on Information Technology (BIWIT'94): Information Systems Design and Hypermedia

 

1993

  ·S. Conrad:
Spezifikation eines vereinfachten Datenbanksystems - ein Beitrag zur HDMS-A-Fallstudie
Beiträge zu KORSO - und TROLL light-Fallstudien

 
  ·S. Conrad, G. Denker, M. Gogolla, R. Herzig, N. Vlachantonis, H. Ehrich:
Zur Entwicklung zuverlässiger Informationssysteme in KORSO
Informatik - Wirtschaft - Gesellschaft (Proc. GI'93-Jahrestagung)

 
  ·M. Gogolla, R. Herzig, S. Conrad, G. Denker, N. Vlachantonis:
Integrating the ER-Approach in an OO Environment
Proc. 12th Int. Conf. on the Entity-Relationship Approach (ER'93)

 
  ·M. Gogolla, S. Conrad, R. Herzig:
Sketching Concepts and Computational Model of TROLL light
Proc 3rd Int. Conf. on Design and Implementation of Symbolic Computation Systems (DISCO'93)

PDF
  ·N. Vlachantonis, R. Herzig, M. Gogolla, G. Denker, S. Conrad, H. Ehrich:
Towards Reliable Information Systems - The KORSO Approach
Proc. 5th Int. Conf. on Advanced Information Systems Engineering (CAiSE'93)

 
  ·S. Conrad:
Zur Verifikation von Objekteigenschaften
5. GI-Workshop Grundlagen von Informationssystemen

 
  ·H. Ehrich, M. Gogolla, S. Conrad, G. Denker, R. Herzig, N. Vlachantonis:
Entwicklung zuverlässiger Informationssysteme
Korrekte Software durch Formale Methoden (BMFT-Verbundprojekt KORSO, Broschüre anlässlich des Industrietages auf dem 4. KORSO-Workshop)

 
  ·S. Conrad:
Einbindung eines bestehenden Datenbanksystems in einen formalen Software-Entwicklungsprozeß - ein Beitrag zur HDMS-A-Fallstudie
Beiträge zu KORSO - und TROLL light- Fallstudien

 

1992

  ·S. Conrad, M. Gogolla, R. Herzig:
TROLL light: A Core Language for Specifying Objects

 
  ·S. Conrad, M. Gogolla:
An Annotated Bibliography on Object-Orientation and Deduction
ACM SIGMOD Record

 

1991

  ·S. Conrad:
Ansätze zur Integration von Objektorientierung und Deduktion

 

Heinrich Heine Universität

Datenbanken und Informationssysteme

Lehrstuhlinhaber

Prof. Dr. Stefan Conrad


Universitätsstr. 1
40225 Düsseldorf
Gebäude: 25.12
Etage/Raum: 02.24
Tel.: +49 211 81-14088

Sekretariat

Lisa Lorenz



Universitätsstr. 1
40225 Düsseldorf
Gebäude: 25.12
Etage/Raum: 02.22
Tel.: +49 211 81-11312
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