PC co-chair

Sixth Asia-Pacific Conference on Conceptual Modeling - APCCM 2009 (with M. Kirchberg). Conferences in Research and Practice in Information Technology, Vol. 96, Australian Computer Society.

First International Workshop on Schema Languages for XML - X-Schemas 09 (with M. Kratky and M. Necasky). co-located with ADBIS, Riga, Latvia, September 7 -10, 2009.

PC member

20th International Conference on Database and Expert Systems Applications - DEXA 2009.

Fourth International Conference on E-business - ICE-B 2009.

Third International Workshop on Logic in Databases - LID 2009.

First International Workshop on Evolving Theories of Conceptual Modelling - ETheCoM 2009.

First International Workshop on Conceptual Modelling in the Large - CoMoL 2009.

First International Workshop on Semantic Web Information Management - SWIM 2009.

2oth Australasian Database Conference - ADC 2009.

First International Workshop on Benchmarking of XML and Semantic Web Applications - BenchmarX 2009.