natural language access to databases
Tài liệu Báo cáo khoa học: "NATURAL-LANGUAGE ACCESS TO DATABASES--THEORETICAL/TECHNICAL ISSUES" docx
... experimental systems for natural- language access to databases, with some now going into actual use, many problems in this area remain to be solved. The purpose of this panel is to put some of those ... that, too often in the past, discussion of natural- language access to databases has focused, at the expense of the underlying issues, on what particular systems can or cannot do. To avoid ... NATURAL- LANGUAGE ACCESS TO DATABASES THEORETICAL/TECHNICAL ISSUES Robert C. Moore Artificial Intelligence...
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Tài liệu Báo cáo khoa học: "THEORETICAL/TECHNICAL ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES" pdf
... other problems in natural language access to databases. In addition to considering some subset of the chairman's five problems, each of the panelists was invited to propose and choose ... which TQA assigns to the sen- tence "What is the zone of the vacant parcels in subplan- ning area 410?" 53 THEORETICAL/TECHNICAL ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES S. ... establishing the completeness of query languages offer little or no guidance as to the construction of a practical translator from relational calculus to a formal query language such as SQL. Hence,...
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Tài liệu Báo cáo khoa học: "ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES FROM A LOGIC PROGRAMMING PERSPECTIVE" doc
... access to databases is that the work is restricted to providing access to databases, whereas users would appreciate NL interfaces to computer systems in general. Moreover, the attempt to ... 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 database languages ... looked into very far, but it would seem to be primarily a database rather than a linguistic issue, and to highlight the limitations of traditional databases, where all facts have to be stored...
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Báo cáo khoa học: "Semantic Information Preprocessing for Natural Language Interfaces to Databases" docx
... application to Natural Language Database Interfacing. Ph.D. Thesis, Royal Institute of Technology, Stockholm, Sweden. 316 Semantic Information Preprocessing for Natural Language Interfaces to Databases ... lectional restrictions to parsers in natural language interfaces (NLIs) to databases by extracting the selectional restrictions from semantic descriptions of those NLIs. Au- tomating the process ... Introduction An approach is described for supplying selectional restrictions to parsers in natural language interfaces (NLIs) to databases. The work is based on Linguis- tic Domain Theories (LDTs)...
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Báo cáo khoa học: "NATURAL LANGUAGE INPUT TO A COMPUTER-BASED GLAUCOMA CONSULTATION SYSTEM " pot
... is to try to capture the physicians" written " ;Natural Language& quot; for describing patients and to write programs to convert these descriptions to the appropriate coded input to ... N. Natural Language Information FormatttnB: The Automatic Conversion of Texts into a Structured Data-Base, In Advances in Computers, Yovits M. [Ed.], Vol. 17, 1978. 9. SanBster B. Natural Language ... given to the eye but is taken orally. In addition to this, ic £s generally not possible to know at the clme of encountering a word whether it refers to an existing Instance or to a new...
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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 to be ... Recently, this has begun to change. In the last several years, many of the current generation of natural language access to database systems have been subject to laboratory or field testing. ... like for natural language access to database? Under this point, what niches look most promising for natural language interfaces? What standards should he set for natural language systems performance?...
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Tài liệu Báo cáo khoa học: "Domain-Independent Natural Language Database Access Systems" pptx
... language atoms= =X=~em=, The principle motivation for building natural language systems for database access is ~o free the user from the need for data processing instruction. A natural language ... domain-independent natural language access system because language understan- ding requires domain-specific world knowledge. On a theoretical level, the need for a knowledge base in a natural language ... program should understand. For example, a natural language front end to a stock market database should understand that (1) Did IBM go up yesterday? refers to PRZCE and not VOLUME. However, the...
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Tài liệu Báo cáo khoa học: "PANEL NATURAL LANGUAGE AND DATABASES" pdf
... NATURAL LANGUAGE AND DATABASES, AGAIN Karen Sparck Jones Computer Laboratory, University of Cambridge Corn Exchange Street, Cambridge CB2 3QG, England INTRODUCTION Natural Language and Databases ... richness of natural language expressions to obtain sensible database mappings.) The second reason for doubting the continuing utility of database query as a field for natural language research, ... history as a vehicle for natural language research. Its value for this purpose was restated, for example, by Bonnie Webber at IJCAI-83 (Webber 1983). I nevertheless think it is now time to...
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Tài liệu Báo cáo khoa học: "Panel on Natural Language and Databases" pot
... a natural language inter- face to include the programming environment is that if the interface were being developed in such an environment, one could use natural language to develop the natural ... cases where a request was too vague, and the system (like an expert system) could present a series of choice points to the user in order to reduce the original request to a manageable one. Presenting ... rarely-changed aspect of the environment. Such a natural language interface might also cope with "how to& quot; questions, at least serving as another link to on-line documentation. The linguistically...
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Tài liệu Báo cáo khoa học: "AN ECLECTIC APPROACH TO BUILDING NATURAL LANGUAGE INTERFACES" pptx
... instruction to start using INGLISH. Ini- tially there is a preference to tt~ the mouse to explore the cov- erage and then to begin to incorporate some typing. We have not had any long-term use~ to ... into some natural language interface and be done with it. This paper discusses the natural language technology used in building INKA. The system incorporates a diverse collec- tion of natural ... In short, the our approach to building practical natural language inte~ ees does not depend on a semantic grammar to ¢oastra/n input. In the future we intend to explore the u~ of a wider...
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Tài liệu Báo cáo khoa học: "TEMPORALON TO LOGY IN NATURAL LANGUAGE" doc
... usually crippling for any attempt to provide natural language interfaces for data base systems. Information extracted from natural language text can only be stored to the extent that it fits the ... category which forces it to undergo a transition, then the alter- natives that are available are: a) to decompose the core event into a nucleus and to make a transition to one of the componants, ... such as the prepuratory activity of climbing or to the consequent state of having climbed the mountain; or b) to treat the entire event as a culmination, to c(m~oose it into a nucleus with...
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Tài liệu Báo cáo khoa học: "A HYBRID APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR" pot
... Human Knowledge. In Language Comprehension and the Acquisition of Knowledge, Winston and Sons, Washington, 1972. 12. Clark, H.H. Bridging. Theoretical Issues in Natural Language Processing, ... APPROACH TO REPRESENTATION IN THE JANUS NATURAL LANGUAGE PROCESSOR Ralph M. Weischedel BBN Systems and Technologies Corporation 10 Moulton St. CambHdge, MA 02138 Abstract In BBN's natural ... desire to capitalize on other advantages we perceived for applying it to natural language processing (NLP), such as the potential simplicity and compositionality of mapping from syntactic form to...
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Báo cáo khoa học: "Applying Explanation-based Learning to Control and Speeding-up Natural Language Generation" potx
... for parsing to automatically spe- cialize a given source grammar to a specific domain. In that case, EBL is used as a method for adapting a general grammar and/or parser to the sub -language defined ... set of prototypical construc- tions. Therefore, the EBL approach is also very interesting for natural language generation (NLG). Informally, NLG is the production of a natural language text ... sb. de Abstract This paper presents a method for the au- tomatic extraction of subgrammars to con- trol and speeding-up natural language gen- eration NLG. The method is based on explanation-based...
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- improve access to medicines
- temporalon to logy in natural language
- panel natural language and databases
- natural language interfaces to databases
- an efficient and portable natural language query interface for relational databases
- panto a portable natural language interface to ontologies
- towards portable natural language interfaces to knowledge bases
- portable natural language interface to ontologies
- towards portable natural language interfaces to knowledge based the case of the orakel system
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