R. D'Amore. SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, page 498--499. New York, NY, USA, ACM Press, (2004)
R. D'Amore. SIGIR '04: Proceedings of the 27th annual international ACM SIGIR conference on Research and development in information retrieval, page 498--499. New York, NY, USA, ACM Press, (2004)