University of Lethbridge's Participation in TREC-2004 QA Track
Yllias Chali, Shafiq Joty · 2004
Question Answering (QA) is retrieving answers to natural language questions from a collection of documents rather than retrieving relevant documents containing the keywords of the query which is performed by search engines. What a user usually wants is often a precise answer to a question. For example, given the question “Who won the nobel prize in peace in 2006? ” what a user really wants