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
4.10LsiQueryexecutingontheHTTPserver
4.11LsiBackendorplsiBackendexecutingonaremotemachine
4.12TheWWWinterfaceinheritancehierarchy
4.13TheWWWinterfacepart-ofhierarchy
5.1lsiFindervs.lsiQuery
5.2lsiFindervs.lsiBackend
5.3StartingplsiBackend
5.4TheaveragesearchtimeofplsiBackend(Terms)
5.5TheaveragesearchtimeofplsiBackend(Documents)
5.6TheaveragespeedupofplsiBackend(Terms)
5.7TheaveragespeedupofplsiBackend(Documents)
5.8Theaverageef ciencyofplsiBackend(Terms)
5.9Theaverageef ciencyofplsiBackend(Documents)
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