G. Xue, H. Zeng, Z. Chen, W. Ma, H. Zhang, и C. Lu. SIGIR '03: Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval, стр. 56--63. New York, NY, USA, ACM, (2003)
G. Xue, H. Zeng, Z. Chen, W. Ma, H. Zhang, и C. Lu. SIGIR '03: Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval, стр. 56--63. New York, NY, USA, ACM, (2003)