db/conf/cikm/GauchW97.html Susan Gauch Jianying Wang A Corpus Analysis Approach for Automatic Query Expansion. 278-284 CIKM1997/P278.pdf 1997 conf/cikm/97 CIKM http://doi.acm.org/10.1145/266714.266910 db/conf/cikm/cikm97.html#GauchW97