G - Physics – 06 – F
Patent
G - Physics
06
F
354/229
G06F 17/30 (2006.01) G06F 17/27 (2006.01)
Patent
CA 1294368
COMPUTER METHOD FOR AUTOMATIC EXTRACTION OF COMMONLY SPECIFIED INFORMATION FROM BUSINESS CORRESPONDENCE Abstract A Parametric Information Extraction (PIE) system has been developed to identify automatically commonly specified information such as author, date, recipient, address, subject statement, etc. from documents in free format. The program-generated data can be used directly or can be supplemented manually to provide automatic indexing or indexing aid, respectively. The PIE system uses structural, syntactic, and semantic knowledge to accomplish its objective. The structural analysis identifies the major components of a document which are the document heading, body, and ending. The heading and the ending which usually contain commonly specified information, are then analyzed by a battery of morphological, syntactic, and semantic pattern-matching procedures that provide specified information in standardized forms that can be easily manipulated by computer.
558108
Barrett B.p.
International Business Machines Corporation
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