Stéphane Clinchant, Éric Gaussier. Is Document Frequency Important for PRF?. In Giambattista Amati, Fabio Crestani, editors, Advances in Information Retrieval Theory - Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings. Volume 6931 of Lecture Notes in Computer Science, pages 89-100, Springer, 2011. [doi]
Abstract is missing.