Andrés Corrada-Emmanuel, W. Bruce Croft. Answer models for question answering passage retrieval. In Mark Sanderson, Kalervo Järvelin, James Allan, Peter Bruza, editors, SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004. pages 516-517, ACM, 2004. [doi]
Abstract is missing.