P. Chirita, S. Costache, W. Nejdl, und S. Handschuh. WWW '07: Proceedings of the 16th International Conference on World Wide Web, Seite 845--854. New York, NY, USA, ACM, (2007)
R. Jäschke, L. Marinho, A. Hotho, L. Schmidt-Thieme, und G. Stumme. Knowledge Discovery in Databases: PKDD 2007, 11th European Conference on Principles and Practice of Knowledge Discovery in Databases, Warsaw, Poland, September 17-21, 2007, Proceedings, Volume 4702 von Lecture Notes in Computer Science, Seite 506-514. Springer, (2007)
Y. Yanbe, A. Jatowt, S. Nakamura, und K. Tanaka. JCDL '07: Proceedings of the 7th ACM/IEEE-CS joint conference on Digital libraries, Seite 107--116. New York, NY, USA, ACM, (2007)
C. Veres. Natural Language Processing and Information Systems, Volume 3999 von Lecture Notes in Computer Science, Seite 58--69. Berlin/Heidelberg, Springer, (2006)