Y. Song, Z. Zhuang, H. Li, Q. Zhao, J. Li, W. Lee, and C. Giles. Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 515--522. New York, NY, USA, ACM, (2008)
Y. Song, Z. Zhuang, H. Li, Q. Zhao, J. Li, W. Lee, and C. Giles. SIGIR '08: Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval, page 515--522. New York, NY, USA, ACM, (2008)