- Matteo Baldoni, Ulle Endriss, Andrea Omicini, Paolo Torroni, editors, Declarative Agent Languages and Technologies III, Third International Workshop, DALT 2005, Utrecht, The Netherlands, July 25, 2005, Selected and Revised Papers. Volume 3904 of Lecture Notes in Computer Science, Springer, 2006.
- Matteo Baldoni, Ulle Endriss, editors, Declarative Agent Languages and Technologies IV, 4th International Workshop, DALT 2006, Hakodate, Japan, May 8, 2006, Selected, Revised and Invited Papers. Volume 4327 of Lecture Notes in Computer Science, Springer, 2006.