A Multi-Strategy and Multi-Source Approach to Question Answering

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\begin{bibtex} @inproceedings{DBLP:conf/trec/Chu-CarrollPWCF02,

 author    = {Jennifer Chu-Carroll and
              John M. Prager and
              Christopher A. Welty and
              Krzysztof Czuba and
              David A. Ferrucci},
 title     = {A Multi-Strategy and Multi-Source Approach to Question Answering},
 booktitle = {TREC},
 year      = {2002},
 ee        = {http://trec.nist.gov/pubs/trec11/papers/ibm.prager.pdf},
 bibsource = {DBLP, http://dblp.uni-trier.de}

}

\end{bibtex}