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 ... The task brings the questions that must be answered and the database domaln+s semantics. All natural language access systems achieve some degree of success. But to make progress as a field,...
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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 ... natural language understanding (NLU) system (Dahl, Norton and Scholz (1998), Dahl (1992)) is done by a natural language (NL) engine with the architecture shown in Figure 1. Processing stages...
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Tài liệu Báo cáo khoa học: "GEMINI: A NATURAL LANGUAGE SYSTEM FOR SPOKEN-LANGUAGE UNDERSTANDING*" doc
... unification. Each category has a set of features declared for it. Each fea- ture has a declared value space of possible values (value spaces may be shared by different fea- tures). Feature ... Japanese Language Engine", forth- coming. In Mazuka, R., and N. Nagai, Eds. Japanese Syntactic Processing, Hillsdale, NJ: Lawrence Erlbaum Associates. Kay, M. (1979). "Functional ... that when they are formulated loosely, as in the pre- vious paragraph, they appear to conflict. In par- ticular, in ( 2a) , Right Association seems to call for the parse that makes for Mary a...
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Tài liệu Báo cáo khoa học: "TRANSPORTABLE NATURAL-LANGUAGE INTERFACES: PROBLEMS AND TECHNIQUES" pot
... 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 ... 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 ... information about the files and fields in the conventlonal database for which a natural- language interface is desired. (Typlcally this database already exists and is populated, but TEAM also provides...
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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 ... Illinois, Urbana, IL, 1980. Tennaat, H.R., Ross, K.M., & Thompson, C.W. Usable Natural Language Interfaces Through Menu-Based Namra/ Language Understanding. Proceedings of the Human Factors...
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Tài liệu Báo cáo khoa học: "TOWARDS A CORE VOCABULARY FOR SYSTEM A NATURAL LANGUAGE" potx
... (;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 ... 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 systems) ... eliminate arbitrariness. Rather, a definition of representative corpus must take into account tile research goals pursued. For a natural language system which is sup- posed to analyze and...
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Báo cáo khoa học: "Semantic Information Preprocessing for Natural Language Interfaces to Databases" docx
... Semantic Information Preprocessing for Natural Language Interfaces to Databases Milan Mosny Simon Fraser University Burnaby, BC VhA 1S6, Canada mosny@cs.sfu.ca Abstract An approach is ... utterance in natural language (lexical predicates). Output is a logical formula, consist- ing of predicates meaningful to the database engine (database predicates). AET provides a formalism ... Edition, Springer- Verlag, New York. Rayner, Manny, 1993. Abductive Equivalentiai Translation and its application to Natural Language Database Interfacing. Ph.D. Thesis, Royal Institute of Technology,...
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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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Tài liệu Báo cáo khoa học: "ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES FROM A LOGIC PROGRAMMING PERSPECTIVE" doc
... make database languages more like natural language. However Prolog is much more general than relational database formalisms, in that it permits data to be defined by general rules having ... "top-down" approach, as reallsed in the language Prolog, has a great deal in common with the relational approach to databases, which can be seen as the result of a "bottom-up" effort to make ... ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES FROM A LOGIC PROGRAMMING PERSPECTIVE David H D Warren Artificial Intelligence Center SRI International, Menlo Park, CA 94025, USA I INTRODUCTION...
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Tài liệu Báo cáo khoa học: "A Terminological Simplification Transformation for Natural Language Question-Answering Systems" doc
... for natural- language systems which serve as interfaces to a database: the problems that arise in a module which maps the meaning representation to a second logical language for expressing actual ... Ramshaw and Varda Shaked - for the many pleasant and productive interactions I have had with them. References [1] Bates, Madeleine and Bobrow, Robert J. A Transportable Natural Language Interface ... [3] Codd,E.F. A Relational Model of Data for Large Shared Data Banks. CACM 13(6), June, 1970. [4] Barbara Grosz, Douglas E. Appelt, Paul Martin, and Fernando Pereira. TEAM: An Experiment...
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