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Using Information Extraction to Improve Document Retrieval
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In: DTIC (1998)
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FASTUS: A Cascaded Finite-State Transducer for Extracting Information from Natural-Language Text ...
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SRI International FASTUS System MUC-6 Test Results and Analysis
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In: DTIC (1995)
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A System for Labeling Self-Repairs in Speech
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In: DTIC (1993)
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SRI International Fastus System MUC-4 Test Results and Analysis
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In: DTIC (1992)
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Detection and Correction of Repairs in Human-Computer Dialog
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In: DTIC (1992)
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SRI International: Description of the FASTUS System Used for MUC-4
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In: DTIC (1992)
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12 |
FASTUS: A System for Extracting Information from Natural-Language Text
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In: DTIC AND NTIS (1992)
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14 |
Robust Processing of Real-World Natural-Language Texts
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In: DTIC AND NTIS (1991)
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Abstract:
It is often assumed that when natural language processing meets the real world, the ideal of aiming for complete and correct interpretations has to be abandoned. However, our experience with TACITUS, especially in the MUC-3 evaluation, has shown that principled techniques for syntactic and pragmatic analysis can be bolstered with methods for achieving robustness. We describe and evaluate a method for dealing with unknown words and a method for filtering out sentences irrelevant to the task. We describe three techniques for making syntactic analysis more robust-an agenda-based scheduling parser, a recovery technique for failed parses, and a new technique called terminal substring parsing. For pragmatics processing, we describe how the method of abductive inference is inherently robust, in that an interpretation is always possible, so that in the absence of the required world knowledge, performance degrades gracefully. Each of these techniques have been evaluated and the results of the evaluations are presented.
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Keyword:
*NATURAL LANGUAGE; *PARSERS; AIMING; FILTRATION; LANGUAGE; Linguistics; PROCESSING; RECOVERY; SCHEDULING; TERMINALS; TEST PROCESSING
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URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA258837 http://www.dtic.mil/docs/citations/ADA258837
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20 |
Morphology with Two-Level Rules and Negative Rule Features
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In: DTIC (1989)
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