Awards and Scholarships
- 2006 Selected as Highly Cited Scientist by the Institute of Scientific Information (ISI).
- 2006 Elected Member of the German Academy of Sciences Leopoldina.
- 2006 Royal Society Wolfson Research Merit Award.
- 2006 Elected Member of the European Academy of Sciences Academia Europaea (London).
- 2005 ACM Recognition of Service Award (in Appreciation for Contributions to ACM - General Chair PODS 2005).
- 2004 Full Member of the Austrian Academy of Sciences.
- 2002 Fellow of ECCAI, the European Artificial Intelligence Society.
- 2002 Visiting Professor, Université Paris VII, Denis Diderot.
- 2002 Best Paper Award (with Ch. Koch) at the 21st ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems (PODS), Madison, Wisconsin, June 2002.
- 2000 Honorary Scientist of the Guizhou Academy of Sciences, Guyang, Guizhou, China.
- 1999 Best Paper Award (with F. Scarcello and M. Sideri) at the 5th International Conference on Logic Programming and Nonmonotonic Reasoning. El Paso, Texas.
- Elected Corresponding Member of the Austrian National Academy of Sciences. 1999.
- 1999 Invited McKay Professor at the Computer Science Division, EECS Department, University of California, Berkeley.
- 1998 Wittgenstein Award
- Senior Fellow of the Christian Doppler Society, 1996.
- Medal from Helsinki University for scientific achievement in Computer Science. 1995.
- Award of the Italian Society of Electrical Engineers, 1988 (with P. Paolini and R. Zicari).
- Italian Government Scientific Visitor Scholarship (1982).
- 1979 President Schärf Award and Scholarship.