G. Buscher, A. Dengel, and L. van Elst. Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, page 387--394. New York, NY, USA, ACM, (2008)
G. Buscher, A. Dengel, and L. van Elst. SIGIR '08: Proceedings of the 31st annual international ACM SIGIR conference on Research and development in information retrieval, page 387--394. New York, NY, USA, ACM, (2008)