TY - CONF T1 - A Pattern Based Approach to Factoid, List and Definition Question Answering. JO - RIAO UR - http://www.informatik.uni-trier.de/~ley/db/conf/riao/riao2004.html PY - 2004/01/01 AU - Greenwood MA AU - Saggion H ED - Fluhr C ED - Grefenstette G ED - Croft WB PB - CID SP - 232 EP - 243 Y2 - 2025/01/13 ER -