Document (#4029)

Author
Krovetz, R.
Croft, W.B.
Title
Lexical ambiguity and information retrieval
Source
ACM transactions on information systems. 10(1992) no.2, S.115-141
Year
1992
Abstract
Reports on an analysis of lexical ambiguity in information retrieval text collections and on experiments to determine the utility of word meanings for separating relevant from nonrelevant documents. Results show that there is considerable ambiguity even in a specialised database. Word senses provide a significant separation between relevant and nonrelevant documents, but several factors contribute to determining whether disambiguation will make an improvement in performance such as: resolving lexical ambiguity was found to have little impact on retrieval effectiveness for documents that have many words in common with the query. Discusses other uses of word sense disambiguation in an information retrieval context
Theme
Indexierungsstudien

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