- Hideyuki Nakashima, Chengqi Zhang, editors, Approaches to Intelligent Agents, Second Pacific Rim International Workshop on Multi-Agents, PRIMA 99, Kyoto, Japan, December 2-3, 1999, Proceedings. Volume 1733 of Lecture Notes in Computer Science, Springer, 1999.
- Toru Ishida, editor, Multiagent Platforms, First Pacific Rim International Workshop on Multi-Agents, PRIMA 98, Singapore, November 23, 1998, Selected Papers. Volume 1599 of Lecture Notes in Computer Science, Springer, 1999.