Research - Services to the scientific community

In the Executive Committe of the ACM Principles of Database Systems (PODS) (since 2006)
In the Sistemi Evoluti di Basi di Dati (SEBD) Steering Committe (since 2005)
Chair of the Executive Committee of the ACM Principles of Database Systems (PODS) (from 2010 to 2012)
In the Executive Committee of the ACM Special Interest Group on Management of Data (SIGMOD) (from 2010 to 2012)
Member of the IFIP Working Group 2.6 on Databases (from 2003 to 2011)
In the International Conference on Database Theory (ICDT) Council (from 2001 to 2009)
In the Description Logics (DL) Steering Committe (from 2000 to 2002)

Program Co-Chair of the The 7th Alberto Mendelzon International Workshop on Foundations of Data Management, AMW 2013
Co-organizer (with Piero Poccianti e Francesco Mele) of the 2nd AI*IA Workshop on Corporate Experiences using Semantic Technology, September 15, 2011
Co-organizer (with Phokion G. Kolaitis, and Nicole Schweikardt) of the Advanced School on Data Exchange, Integration, and Streams, DEIS'10, Schloss Dagstuhl, Gesellschaft fur Informatik, GI-Dagstuhl Seminar 10452, Nov. 7-12, 2010,
Co-organizer of the Bertinoro Workshop on Data and Service Integration, INFINT 2009
Area Chair of the 21st International Joint Conference on Artificial Intelligence, IJCAI-09
Program Chair of the 27th ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, PODS 2008
Co-organizer of the Bertinoro Workshop on Information Integration, INFINT 2007
Organizer of the Bertinoro PhD School on Data and Service Integration, DASI 2006
Program Co-Chair of the The 5th International Conference on Ontologies, DataBases, and Applications of Semantics, ODBASE 2006
Conference Chair of the 13th Italian Symposium on Advanced Database Systems, SEBD 2005
Organizer and Program Chair of the 9th International Conference on Database Theory, ICDT 2003
Organizer and Program Chair of the 8th International Workshop on Knowledge Representation meets Databases, KRDB 2001
Program Co-Chair of the Fourth International Conference on Cooperative Information Systems, COOPIS 1999
Conference Chair of the 18th International Conference on Conceptual Modeling, ER 1999
Organizer and Program Chair of the Fifth Congress of the Italian Association for Artificial Intelligence, AI*IA 1997
Organizer and Program Chair of the 1995 International Workshop on Description Logics, DL 1995
Co-Organizer of the 1994 International Workshop on Description Logics, DL 1994
Organizer of the 1990 Workshop of the Italian Association for Artificial Intelligence, AI*IA 1990
Co-Organizer of the International Workshop on Inheritance Hierarchies in Knowledge Representation and Programming Languages, 1989