Karlsruhe Institute of TechnologyKarlsruhe Institute of Technology
Webmaster | Print | Styles | German
Team > Dr. Michael Ovelgönne

Dr. Michael Ovelgönne

Karlsruher Institut für Technologie
Institut für Informationswirtschaft und Marketing
Abteilung für Informationsdienste und elektronische Märkte
Kaiserstraße 12
76131 Karlsruhe

Building 20.20, Room 170
    
 
Phone:
Fax:
Email:
Home Page:
Consultation Hour:
   +49 721 608 48402
+49 721 608 48403

http://www.em.uni-karlsruhe.de
As of 03/2012 I'm at the University of Maryland College Park.


Publications:

Book Contributions

  • Geyer-Schulz, Andreas, Ovelgönne, Michael and Sonnenbichler, Andreas C.. A Social Location-Based Emergency Service to Eliminate the Bystander Effect. In M.S. Obaidat, G.A. Tsihrintzis, J. Filipe (eds.): e-Business and Telecommunications, Springer Berlin / Heidelberg (2012).
  • Sotiris Diplaris, Andreas Sonnenbichler, Tomasz Kaczanowski, Phivos Mylonas, Ansgar Scherp, Maciej Janik, Symeon Papadopoulos, Michael Ovelgönne and Yiannis Kompatsiaris. Emerging, Collective Intelligence for personal, organisational and social use. In Nik Bessis and Fatos Xhafa (eds.): Next Generation Data Technologies For Collective Computational Intelligence, Springer-Verlag (2011).

Conference Proceedings

  • Ovelgönne, Michael and Geyer-Schulz, Andreas. A Comparison of Agglomerative Hierarchical Algorithms for Modularity Clustering. In Gaul, Wolfgang, Geyer-Schulz, Andreas, Schmidt-Thieme and Kunze, Jonas (eds.): Challenges at the Interface of Data Analysis, Computer Science, and Optimization, Springer, pp.225 - 232 (2012).
  • Ovelgönne, Michael and Geyer-Schulz. Andreas. An Ensemble Learning Strategy for Graph-Clustering. In David A. Bader, Henning Meyerhenke, Peter Sanders and Dorothea Wagner (eds.): 10th DIMACS Implementation Challenge - Graph Partitioning and Graph Clustering, DIMACS - Center for Discrete Mathematics and Theoretical Computer Science , (2012).
  • Geyer-Schulz, Andreas, Ovelgönne, Michael and Sonnenbichler, Andreas. Getting Help In A Crowd - A Social Emergency Alert Service. In Proceedings of the International Conference on e-Business, INSTICC, (2010).
  • Ovelgönne, Michael, Sonnenbichler, Andreas C. and Geyer-Schulz, Andreas. Social Emergency Alert Service - A Location-Based Privacy-Aware Personal Safety Service. In Proceedings of the 2010 Fourth International Conference on Next Generation Mobile Applications, Services and Technologies, IEEE Computer Society, pp.84 - 89 (2010).
  • Ovelgönne, Michael, Geyer-Schulz, Andreas and Stein, Martin. Randomized Greedy Modularity Optimization for Group Detection in Huge Social Networks. In SNA-KDD'10: Proceedings of the 4th Workshop on Social Network Mining and Analysis, ACM, (2010).
  • Ovelgönne, Michael. On the Hierarchicalness of Q&A Posting Networks. In GROUP '10: Proceedings of the ACM 2010 international conference on Supporting group work, ACM, pp.117 - 120 (2010).
  • Ovelgönne, Michael and Geyer-Schulz, Andreas. Cluster Cores and Modularity Maximization. In Fan, Wei, Hsu, Wynne, Webb, Geoffrey I., Liu, Bing, Zhang, Chengqi, Gunopulos, Dimitrios and Wu, Xindong (eds.): ICDMW '10. 10th IEEE International Conference on Data Mining Workshops (Sydney, Australia), IEEE Computer Society, pp.1204 - 1213 (2010).

Technical Reports

  • Geyer-Schulz, Andreas and Ovelgönne, . Vermutungen oder: Wie man die DIMACS Modularity Clustering Challenge gewinnt. Technical Report Informationsdienste und elektronische Märkte, KIT (2012).
  • Lanfranchi, Dr. V., Scherp, Dr. Ansgar, Kontopoulos, Costis, Slingsby, S., Janik, Maciej, Sonnenbichler, Andreas, Geyer-Schulz, Prof. Dr. Andreas, Ovelgönne, Michael and Kompatsiaris, Dr. Yiannis. D7.2 Emergency response and consumers’ social group case study design and specification. Technical Report Telefónica I+D (TID) (2009).
  • Ovelgönne, Michael and Stein, Martin. D4.1.1 Initial community analysis tool. Technical Report Karlsruhe Institute of Technology (2009).
  • Ovelgönne, Michael and Geyer-Schulz, Prof. Dr. Andreas. D3.2 Report on methods and tools for user feedback analysis. Technical Report Karlsruhe Institute of Technology (KIT) (2009).
  • Ovelgönne, Michael, Hoser, Bettina and Sonnenbichler, Andreas. D4.1.2 Community Analysis Tool and Evaluation (public version). Technical Report Karlsruhe Institute of Technology (KIT) (2009).
  • Ovelgönne, Michael, Hoser, Bettina and Sonnenbichler, Andreas. D4.1.2 Community Analysis Tool and Evaluation (confidential version). Technical Report Karlsruhe Institute of Technology (KIT) (2009).

PhD and Master Thesis

  • Ovelgönne, Michael. Scalable Algorithms for Community Detection in Very Large Graphs. (2011).