D. Benz, K. Tso, and L. Schmidt-Thieme. Proceedings of the 2nd Workshop in Innovations in Web Infrastructure (IWI2) at WWW2006, Edinburgh, Scotland, (May 2006)
Y. Kim, K. Stratos, and D. Kim. Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers), page 643--653. Vancouver, Canada, Association for Computational Linguistics, (July 2017)
B. Krause, C. Schmitz, A. Hotho, and G. Stumme. AIRWeb '08: Proceedings of the 4th International Workshop on Adversarial Information Retrieval on the Web, page 61--68. New York, NY, USA, ACM, (April 2008)
Y. Song, L. Zhang, and C. Giles. CIKM '08: Proceeding of the 17th ACM conference on Information and knowledge mining, page 93--102. New York, NY, USA, ACM, (2008)
C. Veres. Natural Language Processing and Information Systems, volume 3999 of Lecture Notes in Computer Science, page 58--69. Berlin/Heidelberg, Springer, (2006)