Artificial Intelligence Group (Prof. Stuckenschmidt)

Our group conducts fundamental and applied research in knowledge representation formalisms with a focus on reasoning techniques for information extraction and integration. Our work is centered around:

  • Standard reasoning including description logic reasoning and non-standard reasoning techniques (explanations and debugging techniques)
  • Combining Probabilistic reasoning and Utility Theory with Description Logics
  • Applications in various domains (web data integration and management, semantic web, ontology matching, context-aware applications, Business Process Management etc.)  



Postdoctoral Researchers


PhD Students

  • Erman Acar: Knowledge Representation, Decision Theory and Game Theory
  • Taha Alhersh: Ego-centric Vision
  • Oliver Frendo (external) Decision Support in Electro-Mobility
  • Elena Kuss: Process Matching
  • Andreas Nolle (external): Ontology-based Data Access, Debugging
  • Bernhard Schäfer (external): Decision Support in Production Processes
  • Jörg Schönfisch: reasoning, query rewriting, probabilistic ontologies
  • Chrstoph Theil: Automatic Content Analysis for Finance and Accounting Research

Alumni (only finished PhDs)

  • Dr. Elena Beisswanger (2013): "Developing Ontological Background Knowledge for Biomedicine".
  • Dr. Arnab Dutta (2016): "Automated Knowledge Base Extension Using Open Information".
  • Dr. Rim Helaoui (2016): "On Leveraging Statistical and Relational Information for the Representation and Recognition of Complex Human Activities".
  • Prof. Dr. Kai Eckert (2012): "Usage-driven maintenance of knowledge organization systems".
  • Dr. Daniel Fleischhacker (2016): "Detecting Errors in Linked Data Using Ontology Learning and
    Outlier Detection".
  • Dr. Christian Meilicke (2011): "Alignment Incoherence in Ontology Matching".
  • Dr. Jan Noessner (2014): "Efficient Maximum A-Posteriori Inference in Markov Logic and Application in Description Logics".
  • Dr. Christoph Pinkel (2016): "Incremental, Interactive,Inter-Model Mapping Generation".
  • Dr. Anne Schlicht (2012): "Scaling Up Description Logic Reasoning by Distributed Resolution".
  • Dr. Caecilia Zirn (2016): "Fine-grained Position Analysis for Political Texts".

Selected Publications

Markov Logic Reasoning:

Activity Recognition:

Ontology Matching:


Projects at the chair

  • DFG Project: Explain - Knowledge-based Analysis of Argumentation in a formal Argumentation Inference System (Part of SPP RATIO - Robust Argumentation Machines
  • DFG Project: Practical Probabilistic Reasoning in Knowledge Graphs
  • SFB 884: Political Economy of Reforms


Projects at the InES Institute

  • BMBF Project Fit4Four - Bringing Legacy Systems to Industry 4.0
  • BMVI Project xData2Go - A Cooperative Data Infrastructure for Mobility Applications
  • BMWI Project CrowdMyRegion - Regional Delivery Services based on Crowdsourcing
  • Learning Data Transformation Rules for Data Migration (SNP SE)


Teaching and Infrastructure Projects

  • Part-time Master Data Science in cooperation with Hochchule Albstadt-Sigmaringen

Software and Data




Conference Item

  • Kai Eckert, Mathias Niepert, Christof Niemann, Cameron Buckner, Colin Allen and Heiner Stuckenschmidt Crowdsourcing the Assembly of Concept Hierarchies. In: JCDL'10 : digital libraries : 10 years past, 10 years forward, a 2020 vision; 139-148. ACM Press, New York, NY, 2010.
  • Fred Freitas, Zacharias Candeias and Heiner Stuckenschmidt A new usage for semantic technologies for e-government: checking official documents’ consistency. In: The proceedings of the 10th European Conference on eGovernment : National Centre for Taxation Studies and University of Limerick, Ireland; 167-175. Academic Publ., Reading , 2010.
  • Rim Helaoui, Mathias Niepert and Heiner Stuckenschmidt A Statistical-Relational Activity Recognition Framework for Ambient Assisted Living Systems. In: Advances in Intelligent and Soft ComputingAmbient Intelligence and Future Trends - International Symposium on Ambient Intelligence (ISAmI 2010) : Guimarães, Portugal, 16-18 June 2010; 247-254. Springer, Berlin [u.a.], 2010.
  • Martin Knechtel and Heiner Stuckenschmidt Query-Based Access Control for Ontologies. In: Lecture Notes in Computer ScienceWeb Reasoning and Rule Systems : Fourth International Conference, RR 2010, Bressanone/Brixen, Italy, September 22-24, 2010; proceedings; 73-87. Springer, Berlin [u.a.], 2010.
  • Robert Meusel, Mathias Niepert, Kai Eckert and Heiner Stuckenschmidt Thesaurus Extension using Web Search Engines. In: Lecture Notes in Computer ScienceThe Role of Digital Libraries in a Time of Global Change : 12th International Conference on Asia-Pacific Digital Libraries, ICADL 2010, Gold Coast, Australia, June 21-25, 2010; proceedings; 198-207. Springer, Berlin [u.a.], 2010.
  • Mathias Niepert, Christian Meilicke and Heiner Stuckenschmidt A Probabilistic-Logical Framework for Ontology Matching. In: Proceedings of the Twenty-Fourth AAAI Conference on Artificial Intelligence and the Twenty-Second Innovative Applications of Artificial Intelligence Conference; 1413-1418. AAAI Press, Menlo Park, Calif., 2010.
  • Jan Noessner, Mathias Niepert, Christian Meilicke and Heiner Stuckenschmidt Leveraging Terminological Structure for Object Reconciliation. In: Lecture Notes in Computer ScienceThe Semantic Web: Research and Applications : 7th Extended Semantic Web Conference, ESWC 2010, Heraklion, Crete, Greece, May 30 – June 3, 2010, Proceedings, Part II; 334-348. Springer, Berlin [u.a.], 2010.
  • Phillipp Nowakowski and Heiner Stuckenschmidt Ontology-based Product Catalogues: An Example Implementation. In: Multikonferenz Wirtschaftsinformatik 2010; . Univ.-Verl., Göttingen, 2010.
  • Heiner Stuckenschmidt, Stefano Ceri, Emanuele Della Valle and Frank van Harmelen Towards Expressive Stream Reasoning. In: Dagstuhl Seminar Proceedings; 1-14. Leibniz-Zentrum für Informatik, Wadern, 2010.

Workshop Item

  • Jérôme Euzenat, Alfio Ferrara, Christian Meilicke, Andriy Nikolov, Juan Pane, Francois Scharffe, Pavel Shvaiko, Heiner Stuckenschmidt, Ondrej Svab-Zamazal, Vojtech Svatek and Cássia Trojahn Results of the Ontology Alignment Evaluation Initiative 2010. OM-2010 : Proceedings of the 5th International Workshop on Ontology Matching (OM-2010) collocated with the 9th International Semantic Web Conference (ISWC-2010), Shanghai, China, November 7, 2010, 2010.
  • Jérôme Euzenat, Christian Meilicke, Heiner Stuckenschmidt and Cássia Trojahn A Web-based Evaluation Service for Ontology Matching. ISWC-2010 Posters&Demos : Proceedings of the ISWC 2010, Posters & Demonstrations Track: Collected Abstracts; Shanghai, China, November 9, 2010, 2010.
  • Daniel Fleischhacker and Heiner Stuckenschmidt A Practical Implementation of Semantic Precision and Recall. CISIS 2010, The Fourth International Conference on Complex, Intelligent and Software Intensive Systems, Krakow, Poland, 2010.
  • Dominique Ritze, Johanna Völker, Christian Meilicke and Ondrej Svab-Zamazal Linguistic Analysis for Complex Ontology Matching. OM-2010 : Proceedings of the 5th International Workshop on Ontology Matching (OM-2010) collocated with the 9th International Semantic Web Conference (ISWC-2010), Shanghai, China, November 7, 2010, 2010.
  • Nikolas Schmitt, Mathias Niepert and Heiner Stuckenschmidt BRAMBLE: A Web-based Framework for Interactive RDF-Graph Visualisation. ISWC-2010 Posters&Demos : Proceedings of the ISWC 2010 Posters & Demonstrations Track: Collected Abstracts, Shanghai, China, November 9, 2010, 2010.
  • Jörg Schönfisch, Willy Chen and Heiner Stuckenschmidt A purely logic-based approach to approximate matching of Semantic Web Services. SMR2 2010 : Proceedings of the 4th International Workshop on Service Matchmaking and Resource Retrieval in the Semantic Web (SMR2 2010) Workshop at the 9th International Semantic Web Conference - ISWC 2010 Workshops Vol. IV Shanghai, China, Nov. 8, 2010, 2010.
  • Cássia Trojahn, Christian Meilicke, Jérôme Euzenat and Heiner Stuckenschmidt Automating OAEI Campaigns (First Report). IWEST 2010 : Proceedings of the International Workshop on Evaluation of Semantic Technologies (IWEST 2010) Workshop at the 9th International Semantic Web Conference (ISWC2010) - ISWC 2010 Workshops Volume III, Shanghai, China, November 8, 2010, 2010.