Ellen M. Voorhees. Overview of the TREC 2004 Question Answering Track. In Ellen M. Voorhees, Lori P. Buckland, editors, Proceedings of the Thirteenth Text REtrieval Conference, TREC 2004, Gaithersburg, Maryland, November 16-19, 2004. Volume Special Publication 500-261 of National Institute of Standards and Technology (NIST), 2004. [doi]
Abstract is missing.