Conferences and Workshops The list contains conferences where reasoning about concept-based knowledge representation is a significant part of the topic area. General A I conferences are not included, except IJCAI and the three "continental" conferences which may be listed towards the end. Forthcoming meetings International Symposium on Methodologies for Intelligent Systems (ISMIS-99) Staszica Palace, Warsaw, Poland, 8.6 - 11.6, 1999. Due date: 15.10.1998 [call for papers]; in top level frame:[call for papers] International Conference on Conceptual Structures (ICCS-99) Virginia Tech, Blacksburg, VA, USA, 12.7 - 15.7, 1999. Due date: 1.1.1999 [call for papers] [announcement]; in top level frame:[call for papers] [announcement] Past (but recent) meetings Worldwide and Continentwide Conferences European Conference on Artificial Intelligence (ECAI-98) Brighton, UK, 23.8-28.8, 1998. [call for papers] [info] [announcement]; in top level frame:[call for papers] [info] [announcement] European Conference on Artificial Intelligence (ECAI-00) Berlin, 18.8-23.8, 2000. [info]; in top level frame: [info]