1
James B Pitkow, Hinrich Schuetze: System and method for searching and recommending objects from a categorically organized information repository. Google, Fenwick & West, April 18, 2006: US07031961 (303 worldwide citation)

A search and recommendation system employs the preferences and profiles of individual users and groups within a community of users, as well as information derived from categorically organized content pointers, to augment Internet searches, re-rank search results, and provide recommendations for obje ...


2
James B Pitkow, Hinrich Schuetze: System and method for searching and recommending objects from a categorically organized information repository. Stradling Yocca Carlson & Rauth, February 7, 2002: US20020016786-A1 (2 worldwide citation)

A search and recommendation system employs the preferences and profiles of individual users and groups within a community of users, as well as information derived from categorically organized content pointers, to augment Internet searches, re-rank search results, and provide recommendations for obje ...