- Department of
Informatics, King's College,
London, UK, July 2012.
- Institute of Software,
Chinese Academy of Sciences,
Beijing, PR China, June 2011.
- Microsoft Research, Visiting
Research Scholar, Redmond, Washington, USA (May - June 2008).
- Tsinghua University, Beijing, PR China (May 2007).
- Università degli Studi di Genova, Genova, Italy (June - July 2001).
- Università degli Studi di Roma ``La Sapienza'',
Roma, Italy (May - June 2000).
- Universität Koblenz-Landau, Koblenz, Germany (June 1999).
- Technische Universität Dresden, Guest Professor,
Dresden, Germany (May - June 1999).
- SRI International, Menlo Park, California, USA (Oct. 1996).
- Argonne National Laboratory, Argonne, Illinois, USA (Jan. - Feb. 1993).
- National Taiwan University,
Taipei, Taiwan ROC (March 1989).
- Université Paris XI,
Orsay, France (Sept. - Dec. 1988).
Maria Paola Bonacina