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            1
Social bookmarking in the enterprise.
Опубликовано в: ACM queue : architecting tomorrow's computing. (2005)Статья - 
              
            2
Socially acceptable behavior.
Опубликовано в: ACM queue : architecting tomorrow's computing. (2005)Статья - 
              
            3
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            4
Ontological user profiling in recommender systems.
Опубликовано в: ACM transactions on information systems.Статья