This volume presents the proceedings of the 6th Portuguese
Conference on Artificial Intelligence, EPIA '93, organized
by the Portuguese Artificial Intelligence Association. Like
the last two conferences in this series, it was run as an
international event with strict requirements as to the
quality of accepted submissions. Fifty-one submissions were
receivedfrom 9 countries, the largest numbers coming from
Portugal (18), Germany (10), and France (8).
The volume contains 25 selected papers, together with 7
poster abstracts and one invited lecture: "Organizations as
complex, dynamic design problems" by L. Gasser, I. Hulthage,
B. Leverich, J. Lieb, and A. Majchrzak, all from the
University of Southern California. The papersare grouped
into parts on: distributed artificial intelligence, natural
language processing, knowledge representation, logic
programming, non-standard logics, automated reasoning,
constraints, planning, and learning.