M. Morris. Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, стр. 1657--1660. New York, NY, USA, ACM, (2008)
E. Gilbert, и K. Karahalios. Proceedings of the 2010 ACM conference on Computer supported cooperative work, стр. 225--228. New York, NY, USA, ACM, (2010)
A. Micarelli, F. Gasparetti, F. Sciarrone, и S. Gauch. The Adaptive Web, том 4321 из Lecture Notes in Computer Science, глава 6, Springer Berlin Heidelberg, Berlin, Heidelberg, (2007)
G. Groh, S. Birnkammerer, и V. Köllhofer. Recommender Systems for the Social Web, том 32 из Intelligent Systems Reference Library, глава 1, Springer Berlin Heidelberg, Berlin, Heidelberg, (2012)
D. Parra, и S. Sahebi. Advanced Techniques in Web Intelligence-2, том 452 из Studies in Computational Intelligence, глава 7, Springer Berlin Heidelberg, Berlin, Heidelberg, (2013)