The International Conference on Conceptual Structures (ICCS) is the annual conference and the principle research forum in the theory and practice of conceptual structures. Previous ICCS conferences have been held at the Université Laval (Quebec City, 1993), the University of Maryland (1994), the University of California (Santa Cruz, 1995), Sydney (1996), the University of Washington (Seattle, 1997), Montpellier (1998), at Virginia Tech (Blacksburg, 1999), Darmstadt University of Technology (2000) and Stanford University (2001).