|Original language||English (US)|
|Title of host publication||Encyclopedia of Library and Information Sciences|
|Editors||Marcia J. Bates, Mary Niles Maack|
|State||Published - Dec 17 2009|
Collaborative information retrieval (CIR) encompasses the many varied social approaches to information seeking. Although some information retrieval systems have given an impression of individual access to resources, there is a growing realization that much information work is fundamentally collaborative in nature. We highlight key points in the recent history of CIR, particularly the difference between explicit and implicit collaboration.