Alexandros Moukas Pattie Maes Amalthaea: An Evolving Multi-Agent Information Filtering and Discovery System for the WWW. 59-88 1998 1 Autonomous Agents and Multi-Agent Systems 1 db/journals/aamas/aamas1.html#MoukasM98 http://dx.doi.org/10.1023/A:1010094506174