G. Feng, T. Liu, Y. Wang, Y. Bao, Z. Ma, X. Zhang, and W. Ma. Proceedings of the 29th annual international ACM SIGIR conference on Research and development in information retrieval - SIGIR \textquotesingle06, ACM Press, (2006)
S. Hachmeier, R. Jäschke, and H. Saadatdoorabi. Proceedings of the Conference on ``Lernen, Wissen, Daten, Analysen'', 3341, page 213--226. Aachen, (2022)
D. Zhou, J. Bian, S. Zheng, H. Zha, and C. Giles. WWW '08: Proceeding of the 17th international conference on World Wide Web, page 715--724. New York, NY, USA, ACM, (2008)
J. Finkel, T. Grenager, and C. Manning. Proceedings of the 43nd Annual Meeting of the Association for Computational Linguistics (ACL 2005), page 363--370. (2005)
C. Pun. Acoustics, Speech, and Signal Processing, 2003. Proceedings. (ICASSP
'03). 2003 IEEE International Conference on, 3, page III-565-8. IEEE Computer Society, (2003)
Q. Miao, Q. Li, and R. Dai. Proceeding of the 17th ACM conference on Information and knowledge management, page 1369--1370. New York, NY, USA, ACM, (2008)
C. Costa, G. Beham, W. Reinhardt, and M. Sillaots. Proceedings of the 2nd SIRTEL'08 Workshop on Social Information Retrieval for Technology Enhanced Learning, 382, Maastricht, The Netherlands, (September 2008)