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All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year AND OR AND NOT All fields Title Creator / Publisher Keyword Year Sort by creator [A → Z]' creator [Z → A]' publishing year ↑ (asc)' publishing year ↓ (desc)' title [A → Z]' title [Z → A]' Simple Search Hits 1 – 15 of 15 1 The need for accurate alignment in natural language system evaluation Kehler, Andrew; Appelt, Douglas E.; Bear, John In: Computational linguistics. - Cambridge, Mass. : MIT Press 27 (2001) 2, 231-248 BLLDB Show details 2 SRI International FASTUS System MUC-6 Test Results and Analysis Appelt, Douglas E.; Hobbs, Jerry R.; Bear, John... In: DTIC (1995) BASE Show details 3 SRI International Fastus System MUC-4 Test Results and Analysis Appelt, Douglas E.; Bear, John; Hobbs, Jerry R.... In: DTIC (1992) BASE Show details 4 Communication and Attitude Revision Appelt, Douglas E. In: DTIC AND NTIS (1992) BASE Show details 5 The TACITUS System: The MUC-3 Experience Hobbs, Jerry R.; Appelt, Douglas E.; Bear, John S.; Tyson, Mabry; Magerman, David In: DTIC (1991) Abstract: SRI International has been engaged in research on text understanding for a number of years. The Naval Ocean Systems Center (NOSC) has sponsored three workshops in recent years for evaluating text understanding systems. SRI participated in the first Message Understanding Conference (MUC-1) in June 1987 as an observer, and subsequently as a participant. Our system was evaluated in the second and third workshops, MUC-2 and MUC-3. For MUC-2, the task that the systems had to perform was to extract information for database entries saying who did what to whom, when, where, and with what result. The application domain for MUC-3 was news articles on terrorist activities in Latin America. The task was similar to that in MUC-2, though somewhat more information had to be extracted. The principal measures in the MUC-3 evaluation were recall and precision. Recall is the number of answers the system got right divided by the number of possible right answers. It measures how comprehensive the system is in its extraction of relevant information. Precision is the number of answers the system got right divided by the number of answers the system gave. It measures the system's accuracy. The system SRI used for these evaluations is called TACITUS. TACITUS is a system for interpreting natural language texts that has been under development since 1985. It has a preprocessor and postprocessor currently tailored to the MUC-3 application. It performs a syntactic analysis of the sentences in the text, using a fairly complete grammar of English, producing a logical form in first-order predicate calculus. Pragmatics problems are solved by abductive inference in a pragmatics, or interpretation, component. ; Sponsored in part by DARPA. Keyword: *ABDUCTIVE INTERPRETATION; *INFORMATION PROCESSING; *NATURAL LANGUAGE; *SYNTACTIC ANALYSIS; *TACITUS SYSTEM; *TEXT PROCESSING; *TEXT UNDERSTANDING SYSTEMS; Computer Programming and Software; DATA BASES; EXTRACTION; GRAMMARS; Information Science; Linguistics; PARSING; PRAGMATICS; PRECISION; RECALL; SYNTAX URL: http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA461049 http://www.dtic.mil/docs/citations/ADA461049 BASE Hide details 6 Robust Processing of Real-World Natural-Language Texts Hobbs, Jerry R.; Appelt, Douglas E.; Bear, John... In: DTIC AND NTIS (1991) BASE Show details 7 The interaction of language & the world Appelt, Douglas E. (Mitarb.); Dahl, Deborah A. (Mitarb.); Kronfeld, Amichai (Mitarb.)... In: Theoretical issues in natural language processing. - Hillsdale, N.J. [u.a.] : Erlbaum (1989), 148-169 BLLDB Show details 8 Pragmatic aspects Hovy, Eduard H. (Mitarb.); Jameson, Anthony (Mitarb.); McCoy, Kathleen F. (Mitarb.)... In: Natural language generation. - Dordrecht [u.a.] : Nijhoff (1987), 1-81 BLLDB Show details 9 Sammelaufnahme (Collective entry) Shaw, David Elliot (Mitarb.); Grosz, Barbara J. (Mitarb.); Appelt, Douglas E. (Mitarb.)... In: Artificial intelligence. - Amsterdam : Elsevier 32 (1987) 2, 151-280 BLLDB Show details 10 Systems Green, Bert F. (Mitarb.); Wolf, Alice K. (Mitarb.); Chomsky, Carol (Mitarb.)... In: Readings in natural language processing. - Los Altos, Calif. : Morgan Kaufmann (1986), 539-657 BLLDB Show details 11 Generation McKeown, Kathleen R. (Mitarb.); Appelt, Douglas E. (Mitarb.); MacDonald, David D. (Mitarb.) In: Readings in natural language processing. - Los Altos, Calif. : Morgan Kaufmann (1986), 475-537 BLLDB Show details 12 TEAM: An Experiment in the Design of Transportable Natural-Language Interfaces Grosz, Barbara J.; Appelt, Douglas E.; Martin, Paul... In: DTIC (1986) BASE Show details 13 Planning English referring expressions Appelt, Douglas E. In: Artificial intelligence. - Amsterdam : Elsevier 26 (1985) 1, 1-33 BLLDB Show details 14 Natural language and speech Appelt, Douglas E. (Mitarb.); Birnbaum, Lawrence (Mitarb.); Allen, James F. (Mitarb.)... In: AAAI-82 (American Association for Artificial Intelligence - 1982). - Los Altos, Cal. : William Kaufmann, Inc. (1982), 59-110 BLLDB Show details 15 Planning Natural-Language Utterances to Satisfy Multiple Goals Appelt, Douglas E. In: DTIC (1982) BASE Show details

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