... this view have already been built and aredescribed in Rich Sidner and Lesh (2001), Babaian, Grosz and Shieber (2002),Ryall, Marks and Shieber (1997), and Ortiz and Grosz (2002).Theories of collaboration ... analysis and design oforganizations in multi-agent systems. ICMAS-98, Paris, France, 128-135.Fox, M. S. (1981). An organizational view of distributed systems. IEEE Transac-tion on Systems, Man and ... products of recommender systems are nowavailable from various companies like NetPerception, Andromedia, and Manna,etc. Based on the underlying technology, recommender systems can be broadlycategorized...