Concept matching system

Details Concept matching system Concept matching system

2005-07-01

2010-10-05

Dorvil, Richemond (Department: 2626)

Data processing: speech signal processing, linguistics, language

Linguistics

Natural language

C704S007000, C704S004000, C707S793000

Reexamination Certificate

active

07809551

ABSTRACT:
A system for retrieving documents related to a concept from a text corpus includes a set of stored semantic classes which are combinable to express the concept each class including a set of keywords, each set of keywords including at least one keyword. Syntactic rules are applied to identified text portions which include one or more of the keywords. A rule is satisfied when keywords from the first and second semantic classes are in any one of a plurality of syntactic relationships. A concept matching module identifies text portions within the text corpus which include one or more of the keywords, for applying the syntactic rules to the text portions, and for identifying those text portions which satisfy at least one of the rules. Documents to be retrieved may include at least one of the identified text portions.

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