Information extraction system and method using concept-relation-concept (CRC) triples
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United States of America Patent
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Jul 17, 2001
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N/A
app pub date -
Mar 29, 1999
filing date -
Feb 9, 1996
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Abstract
An information extraction system that allows users to ask questions about documents in a database, and responds to queries by returning possibly relevant information which is extracted from the documents. The system is domain-independent, and automatically builds its own subject knowledge base. It can be applied to any new corpus of text with quick results, and no requirement for lengthy manual input. For this reason, it is also a dynamic system which can acquire new knowledge and add it to the knowledge base immediately by automatically identifying new names, events, or concepts.
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