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United States of America Patent
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Sep 5, 1989
Grant Date -
N/A
app pub date -
Oct 7, 1987
filing date -
Oct 7, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for the grammatical anlysis of digitally encoded text material receives encoded text, annotates each word of the text with a tag, and processes the annotated text to identify basic syntactic units such as noun phrases and verb groups. A clausal analyzer then operates on the identified nominal and predicate structures to identify clause boundaries and clause types. During processing, feature agreement between parts of successively larger entities--noun phrases, predicates, and clauses--are successively derived. When an error is detected, an error maessage identifies the error and displays a suggested correction.
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