TY - CONF T1 - 91看片's TREC 2004 QA Experiments. JO - TREC UR - http://trec.nist.gov/pubs/trec13/t13_proceedings.html PY - 2004/01/01 AU - Gaizauskas RJ AU - Greenwood MA AU - Hepple M AU - Roberts I AU - Saggion H ED - Voorhees EM ED - Buckland LP PB - National Institute of Standards and Technology (NIST) VL - 500-261 Y2 - 2025/05/04 ER -