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1
Representing and Reasoning with Functional Knowledge for Spatial Language Understanding
In: DTIC (2011)
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2
Linking Semantic and Knowledge Representations in a Multi-Domain Dialogue System
In: DTIC (2007)
Abstract: We describe a two-layer architecture for supporting semantic interpretation and domain reasoning in dialogue systems. Building systems that support both semantic interpretation and domain reasoning in a transparent and well-integrated manner is an unresolved problem because of the diverging requirements of the semantic representations used in contextual interpretation versus the knowledge representations used in domain reasoning. We propose an architecture that provides both portability and efficiency in natural language interpretation by maintaining separate semantic and domain knowledge representations, and integrating them via an ontology mapping procedure. The ontology mapping is used to obtain representations of utterances in a form most suitable for domain reasoners, and to automatically specialize the lexicon. The use of a linguistically motivated parser for producing semantic representations for complex natural language sentences facilitates building portable semantic interpretation components as well as connections with domain reasoners. Two evaluations demonstrate the effectiveness of our approach: we show that a small number of mapping rules is sufficient for customizing the generic semantic representation to a new domain, and that our automatic lexicon specialization technique improves parser speed and accuracy. ; Prepared in cooperation with the University of Edinburgh, UK. Sponsored in part by the Defense Advanced Research Projects Agency (DARPA).
Keyword: *KNOWLEDGE BASED SYSTEMS; *NATURAL LANGUAGE; *SEMANTICS; Computer Programming and Software; Information Science; LEXICOGRAPHY; LINGO-ERG GRAMMAR; Linguistics; MAN COMPUTER INTERFACE; MRS COMPUTER PROGRAM; ONTOLOGY; PARSERS; SOCIAL COMMUNICATION; SPEECH; SYNTAX; TEST AND EVALUATION; TRIPS COMPUTER PROGRAM; UDRS COMPUTER PROGRAM; VOCABULARY; Voice Communications; WORDS(LANGUAGE)
URL: http://www.dtic.mil/docs/citations/ADA534412
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA534412
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3
Spatial Language for Human-Robot Dialogs
In: DTIC AND NTIS (2003)
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4
Consolidating the Results of the CIRCSIM-Tutor Project and Further Consolidation of the Results of the CIRCSIM-Tutor Project
In: DTIC AND NTIS (2003)
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5
HITIQA: An Interactive Question Answering System. A Preliminary Report
In: DTIC (2003)
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6
Using Spatial Language in a Human-Robot Dialog
In: DTIC AND NTIS (2002)
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7
Mentor: Dialog Agent System for Mentoring and Conversational Role-Playing
In: DTIC AND NTIS (2001)
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8
Knowledge-Based Automatic Graph Layout.
In: DTIC AND NTIS (1995)
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9
Eucalyptus: Integrating Natural Language Input with a Graphical User Interface
In: DTIC AND NTIS (1994)
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10
PEGASUS: A Spoken Language Interface for On-Line Air Travel Planning
In: DTIC (1994)
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11
Usable, Real-Time, Interactive Spoken Language Systems
In: DTIC AND NTIS (1994)
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12
Indexing and Exploiting a Discourse History to Generate Context-Sensitive Explanations
In: DTIC (1993)
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13
Natural Language Processing Systems Evaluation Workshop Held in Berkely, California on 18 June 1991
In: DTIC AND NTIS (1991)
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14
User Modeling and Register Theory: A Congruence of Concerns
In: DTIC AND NTIS (1990)
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15
Processing Problems in the IRUS Queries: An Empirical Verification of Problem Coverage in the Natural Language Sourcebook
In: DTIC AND NTIS (1990)
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16
The Voyager Speech Understanding System: A Progress Report
In: DTIC (1989)
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17
IRUS-II User Manual.
In: DTIC AND NTIS (1989)
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18
Natural Language Processing: A Tutorial.
In: DTIC AND NTIS (1986)
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19
TEAM: An Experiment in the Design of Transportable Natural-Language Interfaces
In: DTIC (1986)
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20
Natural Language Generation
In: DTIC AND NTIS (1986)
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