Method and apparatus for utilizing annotations to facilitate computer retrieval of database material
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United States of America Patent
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Apr 4, 1995
Issued Date -
N/A
app pub date -
Jan 4, 1994
filing date -
Aug 16, 1990
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Abstract
A method and apparatus for computer retrieval of database material which may be text, computer programs, graphics, audio, object classes, action specifications or other material which may be machine stored. Annotations are provided for at least selected database subdivisions, preferably with natural language questions, assertions or noun phrases or some combination/collection thereof. However, the annotations may also initially be generated in a structured form. Annotations are, if required, converted to a structured form and are stored in that form along with connections to corresponding subdivisions. Searching for relevant subdivisions involves entering a query in natural language or structured form, converting natural language queries to structured form, matching the structured form query against stored annotations and retrieving database subdivisions connected to matched annotations. The annotation process may be aided by utilizing various techniques for automatically or semiautomatically generating the annotations.
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