S. Shaw, D. Dicks, V. Venkatesh, G. Lowerison, und D. Zhang. Information Technology Based Proceedings of the FIfth International Conference onHigher Education and Training, 2004. ITHET 2004., Seite 598-603. (2004)
J. Weng, E. Lim, J. Jiang, und Q. He. Proceedings of the Third ACM International Conference on Web Search and Data Mining, Seite 261–270. New York, NY, USA, Association for Computing Machinery, (2010)
X. Yan, J. Guo, Y. Lan, und X. Cheng. Proceedings of the 22nd International Conference on World Wide Web, Seite 1445–1456. New York, NY, USA, Association for Computing Machinery, (2013)
A. Chiu, und A. Fu. Database Engineering and Applications Symposium, 2003. Proceedings. Seventh International, Seite 298--307. IEEE, (2003)Best paper award.
W. Jin, A. Tung, und J. Han. Proceedings of the seventh ACM SIGKDD international conference on Knowledge discovery and data mining, Seite 293--298. ACM, (2001)