characteristics of a natural language interface
Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS: A PANEL DISCUSSION " ppt
... EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATABASE SYSTEMS: A PANEL DISCUSSION Norman K. Sondheimer, Chair Sperry Univac Blue Bell, PA For a natural language access to database system ... basis of these evaluations, what should the future look like for natural language access to database? Under this point, what niches look most promising for natural language interfaces? What ... last several years, many of the current generation of natural language access to database systems have been subject to laboratory or field testing. These include INTELLECT, LADDER, PLANES,...
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Báo cáo khoa học: "Interaction of Knowledge Sources in a Portable Natural Language Interface" docx
... design of natural language interfaces that has evolved during the development of DATALOG, an Eng- lish database query system based on Cascaded ATN grammar. By providing separate representation ... Research Lab- oratories, Warren MI (1984). 7. Grosz, B. J., "TEAM: A Transportable Natural Language Interface System." In Proc. Conf. on Applied Natural Language Processing, Santa ... general knowledge and domain knowledge. 2. Overview of DATALOG Architecture The architecture of DATALOG is based on Cas- caded ATN grammar, a general approach to the design of language processors...
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Tài liệu Báo cáo khoa học: "Integration of Large-Scale Linguistic Resources in a Natural Language Understanding System" pdf
... lexicai lookup, syntactic parsing, semantic analysis, and pragmatic analysis. Each stage has been designed to use linguistic data such as the lexicon and grammar, which are maintained separately ... large scale linguistic resources into our natural language understanding system. Client- server architecture was used to make a large volume of lexical information and a large knowledge base ... environment. The task of a developer of a particular natural language application is greatly simplified by the presence of these resources. In the future we plan to incorporate WordNet information for...
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Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS" pdf
... discourse. St was also clear chat that was the way Co make the interface more natural. This ass~ption has already been fruitful: the NL interface in POL [9], a successor Co REL, has already been ... interested in all or almost all actual or potential bodies of evaluators. One of our colleagues expressed a forceful opinion while being a member of a similar panel at last year's ACL conference: ... The system clearly has to be reasonably free of bugs in my case, 12 bugs were hit in the total of 1615 parsed and nonparsed messages. The adequate extent of natural language syntax is impossible...
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Báo cáo khoa học: "EMPIRICAL STUDIES OF DISCOURSE REPRESENTATIONS FOR NATURAL LANGUAGE INTERFACES" ppt
... EMPIRICAL STUDIES OF DISCOURSE REPRESENTATIONS FOR NATURAL LANGUAGE INTERFACES Ntis Dahlb~ick Ame JOnsson Natural Language Processing Laboratory Department of Computer and Information Science ... Tennant, H. (1981) Evaluation of Natural Language Processors Ph.D. Thesis, University of Illinois at Urbana-Champaign. Thomas, J.C. (1976) A method for studying natural language dialogue. ... Malhotra, A. (1977) Knowledge-Based En- glish Language Systems for Management: An Analysis of Requirements. Proc. IJCAI-77. Perrault, C. Raymond and Allen, James F. (1980) A Plan-Based Analysis...
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Tài liệu Báo cáo khoa học: "GEMINI: A NATURAL LANGUAGE SYSTEM FOR SPOKEN-LANGUAGE UNDERSTANDING*" doc
... grammatical category plays a spe- cial role in the typing scheme of Gemini. For each category, Gemini makes a set of declarations stipu- lating its allowable features and the relevant value ... to a lan- guage or domain. Although this paper describes the lexicon, grammar, and semantics of English, Gemini has also been used in a Japanese spo- ken language understanding system (Kameyama, ... example, the various categorial unification ap- proaches, such as Unification Categorial Gram- mar (Zeevat, Klein, and Calder, 1987)). Even when a syntactic skeleton is assumed, some approaches...
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Tài liệu Báo cáo khoa học: "TRANSPORTABLE NATURAL-LANGUAGE INTERFACES: PROBLEMS AND TECHNIQUES" pot
... that is developing techniques for transportable natural- language interfaces. The goal of transportability is to enable nonspeciallsts to adapt a natural- language processing system for access ... constructing the formal database query. This is because systems based on semantic grammars amalgamate i~formatlon about language, about the domain, ~ asout the database in ways that make it difficult ... query the new database in natural language. A major benefit of using natural language is that it shifts onto the system the burden of mediating between two views of the data the way in which...
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Tài liệu Báo cáo khoa học: "AN ECLECTIC APPROACH TO BUILDING NATURAL LANGUAGE INTERFACES" pptx
... indicates when a category A can have a category B as a left-most descendant in a passe tree. The matrix is static and can be derived from the grammar in advance of any pan. ing. It is computable ... unfeasible to assume that any task expert can simply perform a ~memory dump" of expertise into some natural language interface and be done with it. This paper discusses the natural language ... the grammar coasu'uc:s the terminal and non-terminal vocabularies of the grammar, the reachabllity matrix, and an inverse dictionary. The set of all possible initia/ words and phrases...
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Tài liệu Báo cáo khoa học: "TOWARDS A CORE VOCABULARY FOR SYSTEM A NATURAL LANGUAGE" potx
... seen as a long-range research prt~gram rather than as a short-term goal. Motiva!ion Rcasearch on natural language processing sys- tems today strives for the construction of robust and portable ... (;ci'many lhnaih !,1'~!! at I)! ll)iBM I.BITNI'71' ABSTRACT The desire to construct robust and portable na- tural language systems has led to research on how a core vocabulary ... to analyze and generate texts, to engage in dialogues with users, and which is to acquire knowledge fi'om the analysis of definiti(ms and rules formulaled in natural language, ...
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Báo cáo khoa học: "Semantic Information Preprocessing for Natural Language Interfaces to Databases" docx
... University Burnaby, BC VhA 1S6, Canada mosny@cs.sfu.ca Abstract An approach is described for supplying se- lectional restrictions to parsers in natural language interfaces (NLIs) to databases by ... of lexical predicates and an LDT, AET tries to find a set of permissible assump- tions A and a formula Fab consisting of the database predicates such that F u A =~ V(Fti,g = Fab) The translation ... Foundations of Logic Pro- gramming, Second, Extended Edition, Springer- Verlag, New York. Rayner, Manny, 1993. Abductive Equivalentiai Translation and its application to Natural Language Database...
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Báo cáo khoa học: "Discourse Pragmatics and Ellipsis Resolution in Task-Oriented Natural Language Interfaces" pptx
... record of all interactions. The user wassituated at one terminal and was told he or she was communicating with a real natural language interface to an operating system (and an accompanying intelligent ... utterance. Taking advantage of the fact that a case frame analysis of a sentence or object description captures the meaningful semantic relations among its constituents in a canonical manner, a ... grammar approaches. 1. A Summary of Task-Oriented Discourse Phenomena Natural language discourse exhibits several intriguing phenomena that defy definitive linguistic analysis and general...
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Báo cáo khoa học: "A NATUWAL LANGUAGE INTERFACE USING A WORLD MODEL" pdf
... University of Tokyo, 1981. Ginsparg, J. M., A Robust Portable Natural Language Data Base Interface, Proc. Conf. Applied Natural Language Processing, 1983, pp.25-30. Grosz, B. J., TEAM: A Transportable ... represents a relationship to another class using a $class facet and mapping information to the database schema using a Sstorage facet. The value of a Sstorage facet denotes the class name which has ... Transportable Natural- Language Interface System, Proc. Conf. Applied Natural Language Processing, 1983, pp.39-45. Hendrix, G. G., Sacerdoti, E. D., Sagalowicz, D., Slocum, J., Developing a Natural...
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Báo cáo khoa học: "Building a Large Knowledge Base for a Natural Language System" doc
... knowledge and that a sophisticated natural language sys- tem must have a large knowledge base. But heretofore, the knowledge bases in natural language systems have either encoded only a few kinds of ... construction of an AI knowl- edge base. The core knowledge has been encoded in ways Ihat are indel)endent of domain and hence should be useful for any natural language application. Of particular interest ... been carried out as part of a project to build a system for natural language access to a computerized medical textbook on hepatitis. The user asks a question in English, and rather than at-...
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Báo cáo khoa học: "Temporal information processing of a new language: fast porting with minimal resources" pdf
... that ourapproach to adapt existing annotated data to a dif-ferent language is fruitful.ReferencesDavid Ahn, Joris van Rantwijk, and Maarten de Ri-jke. 2007. A cascaded machine learning approachto ... processing of a new language: fast porting with minimal resourcesFrancisco Costa and Ant´onio BrancoUniversidade de LisboaAbstractWe describe the semi-automatic adapta-tion of a TimeML annotated ... similar results.These evaluations made available sets of anno-tated data for English and other languages, usedfor training and evaluation. One natural questionto ask is whether it is feasible...
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Báo cáo khoa học: "Towards Web-Based Evaluation of Automatic Natural Language Phrase Generation" potx
... @media.eng.hokudai.ac.jpAbstractThis paper describes a novel approach forthe automatic generation and evaluation of a trivial dialogue phrases database. A tri-vial dialogue phrase is defined as ... consuming and hardto accomplish task1. Therefore we aim to auto-matically generate and evaluate a database of tri-vial dialogue phrases that could be implemented asknowledge base language generator ... output, the ap-plications and limitations of language generationhave been widely studied. Well known applica-tions of natural language generation can be foundin human-computer conversation (HCC)...
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