M. Ferrari Dacrema, P. Cremonesi, und D. Jannach. Proceedings of the 13th ACM Conference on Recommender Systems, Seite 101–109. New York, NY, USA, Association for Computing Machinery, (2019)
R. Jäschke, F. Eisterlehner, A. Hotho, und G. Stumme. RecSys '09: Proceedings of the third ACM Conference on Recommender Systems, Seite 369--372. New York, NY, USA, ACM, (2009)
C. Körner, R. Kern, H. Grahsl, und M. Strohmaier. Proceedings of the 21st ACM Conference on Hypertext and Hypermedia, Seite 157--166. New York, NY, USA, ACM, (2010)
D. Parra, und P. Brusilovsky. Proceedings of the Workshop on Web 3.0: Merging Semantic Web and Social Web, Volume 467 von CEUR Workshop Proceedings, (Juni 2009)