Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

James Allan Javed A. Aslam Mark Sanderson ChengXiang Zhai Justin Zobel Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009 978-1-60558-483-6 SIGIR ACM 2009 db/conf/sigir/sigir2009.html