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Computer-Assisted Search Of Large Textual Data Bases"QA" denotes high-speed computer system for searching diverse collections of documents including (but not limited to) technical reference manuals, legal documents, medical documents, news releases, and patents. Incorporates previously available and emerging information-retrieval technology to help user intelligently and rapidly locate information found in large textual data bases. Technology includes provision for inquiries in natural language; statistical ranking of retrieved information; artificial-intelligence implementation of semantics, in which "surface level" knowledge found in text used to improve ranking of retrieved information; and relevance feedback, in which user's judgements of relevance of some retrieved documents used automatically to modify search for further information.
Document ID
19950065241
Document Type
Other - NASA Tech Brief
Authors
Driscoll, James R. (University of Central Florida)
Date Acquired
August 17, 2013
Publication Date
February 1, 1995
Publication Information
Publication: NASA Tech Briefs
Volume: 19
Issue: 2
ISSN: 0145-319X
Subject Category
MATHEMATICS AND INFORMATION SCIENCES
Report/Patent Number
KSC-11707
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.