@inproceedings{inproceedings, title = {{91Ö±²¥ TREC 2002 Q&A System.}}, publisher = {{National Institute of Standards and Technology (NIST)}}, url = {{http://trec.nist.gov/pubs/trec11/t11_proceedings.html }}, year = {{2002}}, month = {{1}}, author = {{Greenwood MA and Roberts I and Gaizauskas RJ}}, volume = {{500-251}}, journal = {{TREC}}, note = {{Accessed on 2024/12/23}}}