Research Interests

• Efficient Content-Based Multimedia Retrieval and Exploration
• Adaptive Distance-Based Similarity Measures
• Signature Quadratic Form Distance
• Earth Mover's Distance

Reviewing Activities

• International Conferences and Journals
  • ACM International Conference on Knowledge Discovery and Data Mining: 2012, 2011, 2009
  • European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases: 2011
  • Pacific-Asia Conference in Knowledge Discovery and Data Mining: 2011
  • International Conference on Information and Knowledge Management: 2012
  • IEEE International Conference on Data Engineering: 2013, 2011, 2009
  • International Conference on Extending Database Technology: 2013, 2012 (Demos), 2011, 2010, 2009, 2008
  • International Conference on Scientific and Statistical Database Management: 2010
  • Datenbanksysteme für Business, Technologie und Web: 2013, 2011, 2009
  • IEEE Transactions on Knowledge and Data Engineering
  • International Journal on Very Large Data Bases
  • Multimedia Tools and Applications
  • Information Sciences
  • Datenbank-Spektrum
• Program Committee Memberships
  • International Conference on MultiMedia Modeling: 2012
  • International Workshop on Search and Mining User-generated Contents: 2011

Invited Talks

• University of Klagenfurt, Austria, 10 January 2012
• University of Trento, Italy, 20 April 2011
• Charles University in Prague, Czech Republic, 25 February 2011

Teaching

• Exploring Multimedia Data: Content-based Search and Retrieval WS 2012/13 
• Algorithms and Data Structures SS 2012 
• Recent Developements in Multimedia Retrieval WS 2011/2012 
• Content-based Similarity Search WS 2010/2011
• Recent Developments in Multimedia Retrieval SS 2010
  
• Indexing Structures for Databases WS 2009/2010
  
• Data Mining Algorithms WS 2008/2009
  
• Data Intensive Computing WS 2008/2009
  
• Methoden und Werkzeuge (Proseminar) SS 2008
  
• Data Intensive Computing WS 2007/2008
  
• Regularly supervision of seminar theses
  

Supervised Bachelor, Master, and Diploma Theses

• Efficient Exploration of Large Multimedia Databases
• A Quadratic Form Distance on Probability Distributions for Content-based Similarity Search in Multimedia Databases
• Sub-Structure Similarity Search Using Adaptive Feature Representation
• Efficient Similarity Search for Quadratic Form Distances on Hybrid Signature
• Exploring Large Multimedia Databases using Multi-Object Queries Based on the M-Tree
• Quadratic Form Distances on Signatures for Similarity Search in Multimedia Databases
• Techniques for Exploring Large Datasets via Multidimensional Scaling
• Inhaltsbasiertes Attribute-Matching zur Klassifikation von Werkzeugdaten

Further Links

• DBLP
• Google Scholar