Intelligent Agents V: Agents Theories, Architectures, and Languages 5th International Workshop, ATAL'98, Paris, France, July 4-7, 1998, Proceedings - Müller, Jörg; Müller, Jörg; Singh, Munindar P.; Singh, Munindar P.; Rao, Anand S.; Rao, Anand S. (Springer Berlin Heidelberg : Imprint: Springer, 1999)