Method and system for generating structured data from semi-structured data sources
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United States of America Patent
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Aug 24, 2004
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app pub date -
Apr 19, 1999
filing date -
Apr 19, 1999
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Abstract
A system and method for generating structured data outputs from a semi-structured data source. The steps of this method include generating an example output from an example generator. The example output is generated in response to the acquisition of a sequence of annotated strings. The annotated strings are generated in response to the acquisition and modification of at least one data example and corresponding coarse structure from a predetermined input source. Also, a second sequence of annotated strings is generated from input from a semi-structured data source. Both the example output and second sequence of annotated strings are input to an acquisition engine that implements a grammar layer incorporating a top-down parsing method and a comparison layer. The structured data outputs are generated through the cooperation of the comparison layer and the grammar layer.
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