natural language interface to database code

... 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 ... 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? ... 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....

Ngày tải lên: 08/03/2014, 18:20

... 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 ... questions. The mapping between a natural- language question and the corresponding database query, however, can differ dramatically according to the way the database is organized. For instance,...

Ngày tải lên: 21/02/2014, 20:20

... 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 ... into three radi- cally different database query language expressions depending on how the database is set up. It may he appropriate to retrieve a pre-stored total number of employees from a ... 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....

Ngày tải lên: 21/02/2014, 20:20

... 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 provide ... "bottom-up" effort to 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 ... should not struggle too hard to bend one's NL interface to fit an existing database. Rather the database should be designed to meet the needs of NL access. If the database does not easily...

Ngày tải lên: 21/02/2014, 20:20

... 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)...

Ngày tải lên: 08/03/2014, 07:20

... 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...

Ngày tải lên: 08/03/2014, 18:20

Ngày tải lên: 08/03/2014, 18:20

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... 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 ... 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 ... Domain-Independent Natural Language Database Access Systems Steven P. Shvartz Cognitive Systems Inc. 234 Church Street New Haven, Ca. 06510 Zn the past decade, a number of natural lang- uage database...

Ngày tải lên: 21/02/2014, 20:20

... Issues in Natural Language Access to Databases," in Proceedings of the 20th Annual Meeting of the Association for Computational Linguistics, Toronto, Ontario, 1982 pp. 51-6. (Stolfo and ... Laboratory, San Jose, Ca., Technical Report RJ2144(29407), 1978. (Cohen 78). Cohen, P., On Knowing What to Say: Planning Speech Acts, Technical Report No. 118, University of Toronto, Toronto, ... environment :for testing, but allow us to explore more interesting natural language questions? In order to answer ,o to the first question and yes to the second (the position taken by our...

Ngày tải lên: 21/02/2014, 20:20

... 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 ... 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 ... appUca- t/on code can be inherited from prev/ously defined SmaIitalk code. The programmer need only redefine differences by overriding the inappropriate code with custom/zed code. (Alexander...

Ngày tải lên: 21/02/2014, 20:20

... 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 ... temporal descriptions will have to embody such an ontology, as will any usable temporal database for knowledge about events which is to be interrogated using natural language. 1. Introduction It ... 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...

Ngày tải lên: 21/02/2014, 20:20

... semantic represen- tation of the input to code to carry out the user's re- quest. Second, an intensional logic can supplement a taxonomic language in trying to define word senses formally. ... 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...

Ngày tải lên: 21/02/2014, 20:20

... I. Corporation offers licenses for customers to use the INTELLECT software on their computers, to access their databases. We now have a number of customer instal- lations, plus reports from ... answers based on it, to the terminal user. It is a general software tool, which can be easily applied to a wide va- riety of databases and user environments. For each database, a Lexicon, ... permits people to access data who are unwilling or un- able to learn how to use a structured query system. All that is required is that a person know enough about the data to be able to pose a...

Ngày tải lên: 08/03/2014, 18:20

... D., Database description with SDM: A semantic database model. ACM TODS 6:3, Sept. 1981, pp. 351-386. Harris, L.R., Using the database itself as a semantic component to aid the parsing of natural ... specification We depend heavily on this correspondence to proc- ess natural language updates, just as the statlve correspondence is used to process natural language queries. In the next section we examine ... Waltz, D., Natural language access to a large database: an engineering approach. In Proc. of the Fourth Int'l Joint Conf. onArtlficial Intelligence, 1976. 73 We must be able to readily...

Ngày tải lên: 08/03/2014, 18:20

... 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...

Ngày tải lên: 08/03/2014, 21:20

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