Stefan Wrobel holds a joint position at Univ. of Bonn and Fraunhofer IAIS:

• Professor of , Computer Science at University of Bonn, Chair of Intelligent Analysis and Information Systems
• Institute Director Fraunhofer IAIS (personal homepage there)

Unfortunately, my two homepages are not always up to date and not always in sync, so it might worth checking both ... sorry!

Publications

• Mario Boley, Tamás Horváth, Axel Poigné, Stefan Wrobel. Listing Closed Sets of Strongly Accessible Set Systems with Applications to Data Mining. Theoretical Computer Science, 411(3):691-700, 2010. [ BibTeX ]
• Anna Monreale, Gennady Andrienko, Natalia Andrienko, Fosca Giannotti, Dino Pedreschi, Salvatore Rinzivillo, Stefan Wrobel. Movement Data Anonymity through Generalization. Journal of Transactions on Data Privacy, 3(2):91-121, 2010. [ BibTeX ]
• Christine Koerner, Dirk Hecker, Michael May, Stefan Wrobel. Visit Potential: A Common Vocabulary for the Analysis of Entity-Location Interactions in Mobility Applications. Proceedings of the 13th AGILE International Conference on Geographic Information Science (AGILE 2010), Lecture Notes in Geoinformation and Cartography, page 79 - 95. 2010. Springer. [ BibTeX ]
• Tamas Horvath, Gerhard Paass, Frank Reichartz, Stefan Wrobel. A Logic-Based Approach to Relation Extraction from Texts. Proceedings of the 19th International Conference on Inductive Logic Programming (ILP 2009), volume 5989/2010 of Lecture Notes in Computer Science, page 34-48. 2010. Springer-Verlag Berlin Heidelberg. [ BibTeX ]
• Tamas Horvath, Jan Ramon, Stefan Wrobel. Frequent subgraph mining in outerplanar graphs. Journal of Data Mining and Knowledge Discovery, 21(3):472 - 508, 2010. [ BibTeX ]
• Sebastian Bothe, Thomas Gärtner, Stefan Wrobel. On-line Handwriting Recognition with Parallelized Machine Learning Algorithms. In Proceedings of the 33rd Annual German Conference on Artificial Intelligence (KI 2010), volume 6359 of Lecture Notes in Computer Science, page 82-90. 2010. Springer. [ BibTeX ]
• T. Gärtner, T. Horvath, Stefan Wrobel. Graph Kernels. In C. Sammut, Geoffrey I. Webb, editor(s), Encyclopedia of Machine Learning, page 467 - 469. Springer-Verlag, Heidelberg, 2010. [ WWW | BibTeX ]
• Tamas Horvath, Stefan Wrobel. Learning from Structured Data. In C. Sammut, Geoffrey I. Webb, editor(s), Encyclopedia of Machine Learning, page 580 - 584. Springer-Verlag, Heidelberg, 2010. [ WWW | BibTeX ]
• Christine Körner, Dirk Hecker, Maike Krause-Traudes, Michael May, Simon Scheider, Daniel Schulz, Hendrik Stange, Stefan Wrobel. Spatial Data Mining in Practice: Principles and Case Studies. In Carlos Soares, Rayid Ghani, editor(s), Frontiers in Artificial Intelligence and Applications - Data Mining for Business Applications, page 164-178. IOS Press, 2010. [ BibTeX ]
• Hongqi Wang, Olana Missura, Thomas Gärtner, Stefan Wrobel. Context-Based Clustering of Image Search Results. In Bärbel Mertsching, Marcus Hund, Muhammad Zaheer Aziz, editor(s), KI, volume 5803 of Lecture Notes in Computer Science, page 153-160. 2009. Springer. [ BibTeX ]
• Mario Boley, Tamas Horváth, Axel Poigne, Stefan Wrobel. New Results on Listing Closed Sets of Strongly Accessible Set Systems. 7th International Workshop on Mining and Learning with Graphs, 2009. [ pdf | BibTeX ]
• Shivani Seth, Stefan Rüping, Stefan Wrobel. Metadata Extraction using Text Mining. Studies in Health Technology and Informatics, page 95-104. 2009. [ BibTeX ]
• Mario Boley, Tamás Horváth, Stefan Wrobel. Efficient Discovery of Interesting Patterns Based on Strong Closedness. Proceedings of the SIAM International Conference on Data Mining, SDM 2009, April 30 - May 2, 2009, Sparks, Nevada, USA, page 1002-1013. 2009. SIAM. [ implementation | electr.edt. | BibTeX ]
• Mario Boley, Tamás Horváth, Stefan Wrobel. Efficient Discovery of Interesting Patterns Based on Strong Closedness. Statistical Analysis and Data Mining, 2(5-6):346-360, 2009. [ BibTeX ]
• Dennis Wegener, Michael Mock, Deyaa Adranale, Stefan Wrobel. Toolkit-Based High-Performance Data Mining of Large Data on MapReduce Clusters. Proceedings of the 2009 IEEE International Conference on Data Mining Workshops, ICDM 2009 , December 06, Miami, Florida, USA, page 296-301. Washington, DC, USA, 2009. IEEE Computer Society. [ BibTeX ]
• Gerhard Paaß, Stefan Eickeler, Stefan Wrobel. Text Mining and Multimedia Search in a Large Content Repository. Proc. Sabre Conference on Text Minning Services (TMS \'09) 2009, Leipzig, page 15-22. 2009. [ BibTeX ]
• Gennady Andrienko, Stefan Wrobel. Visual Analytics Methods for Movement Data. In Fosca Gianotti and Dino Pedreschi, editors, Mobility, Data Mining, and Privacy: Geographic Knowledge Discovery., Springer Verlag, 2008. [ BibTeX ]
• Henrik Grosskreutz, Stefan Rüping, Stefan Wrobel. Tight Optimistic Estimates for Fast Subgroup Discovery. ECML/PKDD (1), page 440-456. 2008. [ pdf | BibTeX ]
• Gennady Andrienko, Stefan Wrobel. Mobility, Data Mining, and Privacy - Geographic Knowledge Discovery: Visual Analytics Methods for Movement Data, Springer Verlag, edition Fosca Gianotti and Dino Pedreschi, editors, 2008. [ BibTeX ]
• Thomas Gärtner, Tamás Horváth, Quoc V. Le, Alex J. Smola, Stefan Wrobel. Kernel Methods for Graphs. Mining Graph Data, 2007. [ BibTeX ]
• Gerhard Paaß, Wolf Reinhardt, Stefan Rüping, Stefan Wrobel. Data mining for security and crime detection. Security Informatics and Terrorism: Patrolling the Web, page 56-70. 2007. [ BibTeX ]
• Ulf Brefeld, Thomas Gärtner, Tobias Scheffer, Stefan Wrobel. Efficient Co-Regularised Least Squares Regression. Proceedings of the 23rd International Conference on Machine Learning, 2006. ACM Press. [ @imls | BibTeX ]
• Tamas Horvath, Thomas Gärtner, Stefan Wrobel. Cyclic Pattern Kernels for Predictive Graph Mining. Proceedings of the International Conference on Knowledge Discovery and Data Mining, 2004. [ @portal.acm | BibTeX ]
• Thomas Gärtner, Peter A. Flach, Stefan Wrobel. On Graph Kernels: Hardness Results and Efficient Alternatives. Proceedings of the 16th Annual Conference on Computational Learning Theory and the 7th Kernel Workshop, 2003. [ @springer | BibTeX ]

CV (Curriculum Vitae)

1981-1983
studied Computer Science in Bonn

1983-1986
Research Assistant, Georgia Institute of Technology, Atlanta, GA, USA, Master MS Degree in Computer Science

1986-1989
Researcher position at Technical University of Berlin

1989
Researcher position at GMD in Sankt Augustin, later project and group leader Machine Learning

1993
PhD at University of Dortmund, topic: concept formation and theory revision

1996
Co-founder and Technical Director of Dialogis Software and Services GmbH

1998-2002
Professor of Practical Computer Science at Otto-von-Guericke-University Magdeburg, leading the group on Knowledge Discovery and Machine Learning

Since April 2002
Professor of Computer Science at University of Bonn

2002-Juni 2006
Institute Director of the Fraunhofer Institute for Autonomous Intelligent Systems AIS

Juli 2006-September 2007
Institute Director of the Fraunhofer Institute for Intelligent Analysis and Information Systems IAIS

Since September 2007
Managing Director of the Fraunhofer Institute for Intelligent Analysis and Information Systems IAIS and Chair of Computer Science/Intelligent Analysis and Information Systems at University of Bonn