I am deeply indebted to Dr. Michael Berry, my major advisor, for his kind guidance and support. I also thank Dr. Susan Dumais, director of the Information Sciences Research Group at Bellcore, for her technical advice. In addition, she graciously allowed us
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5.3APImemberfunctionsusedtosettheparametersofaqueryAPImemberfunctionsusedtoretrievetheresultsofaqueryInformationalAPImemberfunctions38394050HTMLmarkuptagscurrentlysupportedinformsThedocumentcollectionsusedduringperformancetestingtodeterminetheexecutionef ciencyofLSI++7375Asummaryofthe25randomqueriesselectedforeachdocumentcollection74Thetimeperiodmeasuredforeachsearchengine
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