Using speculative parsing to process complex input data
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United States of America Patent
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Oct 5, 1999
Grant Date -
N/A
app pub date -
Sep 8, 1997
filing date -
Sep 8, 1997
priority date (Note) -
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Abstract
A parser includes a plurality of subparsers, a main parser unit, and a selector. Each of the subparsers attempts to interpret a stream of tokens corresponding to a statement in a respectively different way. In addition, each subparser returns a speculative result and a respective confidence level. The main parser unit receives the stream of tokens, identifies that the stream of tokens make up a statement and invokes at least a few of the subparsers. The selector selects one speculative result based upon the confidence level returned by the subparsers which are invoked by the main parser unit.
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