Y. Zhang, J. Tang, Z. Yang, J. Pei, und P. Yu. Proceedings of the 21th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, Seite 1485--1494. New York, NY, USA, ACM, (2015)
J. Tang, J. Zhang, L. Yao, J. Li, L. Zhang, und Z. Su. Proceedings of the 14th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, Seite 990--998. New York, NY, USA, ACM, (2008)