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81
Experiments in Spoken Document Retrieval at CMU
In: DTIC (1997)
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82
NLP Track at TREC-5
In: DTIC (1996)
Abstract: The Natural Language Processing (NLP) track was organized for the first time at TREC-5 to provide a more focused look at how NLP techniques can improve performance in information retrieval (IR). The intent was to see if the NLP techniques available today are mature enough to have an impact on IR, and whether they offer an advantage over purely quantitative methods. TREC-5 also was the place to try more expensive and more risky solutions than those used in main TREC evaluations. This NLP track demonstrated that NLP techniques have a solid but limited impact on the quality of text retrieval, particularly precision. Techniques aimed at producing higher quality queries, (e.g., query expansion, constraints) appear to be more effective than those aimed primarily at obtaining improved indexing of database documents. More work is needed before substantial gains can be seen, including the use of more advanced and expensive semantic analysis techniques. Figure 2 summarizes the NLP techniques that have been tried in information retrieval, and what their potential might be for improving retrieval precision. This chart was discussed at the NLP track workshop on the last day of TREC-5. The consensus was that NLP techniques that show particular promise in relatively small-scale track evaluations should be transferred to main evaluations as soon as practical. ; Presented at the Text Retrieval Conference (TREC-5) (5th) held in Gaithersburg, MD, on 20-22 Nov 1996. The original document contains color images.
Keyword: *INFORMATION RETRIEVAL; *MACHINE INDEXING; *NATURAL LANGUAGE; *PHRASE INDEXING; *PRECISION; *PROCESSING; *QUALITY; *SUBJECT INDEXING; AUTOMATION; BIGRAMS; CONCEPT TAGGING; DATA BASES; DOCUMENTS; Information Science; Linguistics; MACHINE TRANSLATION; MANUAL OPERATION; PARSERS; PHRASE EXTRACTION; PHRASE-BASED INDEXING; QUERY EXPANSION; SEARCHING; SINGLE-WORD INDEXING; STATISTICAL PHRASES; SYNTACTIC ANALYSIS; SYNTACTIC PHRASES; SYNTAX; TEST AND EVALUATION; WORKSHOPS
URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA470634
http://www.dtic.mil/docs/citations/ADA470634
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83
Analysis of Russian and Spanish Subskill Testing at the Defense Language Institute.
In: DTIC AND NTIS (1996)
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84
Focus of Tipster Phases I and 2
In: DTIC (1996)
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85
Overview of Results of the MUC-6 Evaluation
In: DTIC (1995)
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86
Phonological Parsing for Bi-directional Letter-to-Sound/Sound-to-Letter Generation
In: DTIC (1994)
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87
TMSS Parsing Test, MIL-M-9977J, Appendix G, Loading Procedures Checklists.
In: DTIC AND NTIS (1994)
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88
Eucalyptus: Integrating Natural Language Input with a Graphical User Interface
In: DTIC AND NTIS (1994)
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89
MIL-M-9977J, Appendix E, Integrated Combat Turnaround Procedures, Document Type Definition, MAXIMA Corporation.
In: DTIC AND NTIS (1994)
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90
TMSS Parsing Test, MIL-M-9977J, Appendix J, NATO Stage B Cross-Servicing Checklist (CL2), Document Type Definition.
In: DTIC AND NTIS (1994)
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91
TMSS Parsing Test, MIL-M-9977J, Appendix F. Nonnuclear Munitions Loading Standard Data Packages, Document Type Definition.
In: DTIC AND NTIS (1994)
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92
TMSS Parsing Test, MIL-M-9977J. Appendix C. Nonnuclear Munitions Basic Information. Document Type Definition.
In: DTIC AND NTIS (1994)
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93
TMSS Parsing Test, MIL-M-77OOE, Flight Manual Document Type Definition.
In: DTIC AND NTIS (1994)
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94
TMSS Parsing Test, MIL-M-9977J, Appendix H, Integrated Combat Turnaround Procedures Checklist.
In: DTIC AND NTIS (1994)
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95
TMSS Parsing Test MIL-M-9977J, Appendix D, Nonnuclear Munitions Loading Procedures.
In: DTIC AND NTIS (1994)
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96
TMSS Parsing Test, MIL-M-83495A, Wiring Diagram, Appendix F, Document Type Definition.
In: DTIC AND NTIS (1994)
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97
Adaptive Statistical Language Modeling; A Maximum Entropy Approach
In: DTIC AND NTIS (1994)
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98
Using Case-Based Reasoning in Natural Language Processing
In: DTIC AND NTIS (1993)
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99
Comparative Experiments on Large Vocabulary Speech Recognition
In: DTIC (1993)
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100
Domain and Language Evaluation Results
In: DTIC (1993)
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