a portable natural language interface to ontologies

Ngày tải lên: 17/03/2014, 19:21

... 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 ... power of a fully general programming language. The logic programming approach therefore allows one to interface NL to general programs as well as to databases. Current Prolog systems, because...

Ngày tải lên: 21/02/2014, 20:20

... research came from the desire to have natural language input of cases to CASNET/GLAUCOMA a computer-based glaucoma consultation system developed at Retgers University. A case is several paragraphs ... Indicate thac a "case'* [Bruce 1975] approach to semantic analysis is a " ;natural& quot;. A case syecsm ham in fact been implemented with such cases as ATTRIBUTE, OBJECT, VALUE, and ... [Braclman 1978]. MODALITT can have too values NECESSARY and OPTIONAL. Modality is used to reprexnt the fact ~rat eyes are necessary parts of patients bu~ scotouaa (bllnd-spots) may or may not be present...

Ngày tải lên: 08/03/2014, 18:20

... 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 ... 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

Ngày tải lên: 08/03/2014, 18:20

... the ACL Student Research Workshop, pages 61–66, Ann Arbor, Michigan, June 2005. c 2005 Association for Computational Linguistics Towards an Optimal Lexicalization in a Natural- Sounding Portable ... output candidates is as follows: ã You can buy a tent at Camping World. ã You can purchase a tent at Camping World. ã You can get a tent at Camping World. ã You can acquire a tent at Camping ... Abstract In contrast to the latest progress in speech recognition, the state-of-the-art in natural language generation for spoken language dialog systems is lagging behind. The core dialog managers...

Ngày tải lên: 17/03/2014, 06:20

... been many 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 ... NATURAL- LANGUAGE ACCESS TO DATABASES THEORETICAL/TECHNICAL ISSUES Robert C. Moore Artificial Intelligence Center SRI International, Menlo Park, CA 94025 I INTRODUCTION Although there have ... the conference. The panel's motivation stems partly from the fact that, too often in the past, discussion of natural- language access to databases has focused, at the expense of the...

Ngày tải lên: 21/02/2014, 20:20

... transformations, result- ing in structures and ultimately SQL expressions appropriate for that database organization. In this way, it would be easy to handle such database organ- izations as ... treatment. The approach we have taken in TQA is, insofar as possible, to provide the necessary coverage to per- mit all the locutions that are natural in a given application. The formalism by which ... 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 one...

Ngày tải lên: 21/02/2014, 20:20

... 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 ... Verlag, New York. Rayner, Manny, 1993. Abductive Equivalentiai Translation and its application to Natural Language Database Interfacing. Ph.D. Thesis, Royal Institute of Technology, Stockholm,...

Ngày tải lên: 08/03/2014, 07:20

... create an artificial recognition task with manageable complexity. Our primary aim was to design a task which allows us to investigate the properties of our grammar-based approach and to compare ... linguistically motivated grammar (a hand-crafted Head-driven Phrase Structure Grammar) and a statistical model estimating the probability of a parse tree. The language model is applied by means of an N-best ... broad-domain task. It is a well-known fact that natural language is highly ambiguous: a correct and seemingly unam- biguous sentence may have an enormous number of readings. A related – and for our approach...

Ngày tải lên: 17/03/2014, 02:20

Ngày tải lên: 17/03/2014, 19:20

Ngày tải lên: 17/03/2014, 19:21

Ngày tải lên: 18/03/2014, 02:20

Ngày tải lên: 31/03/2014, 03:20

Ngày tải lên: 31/03/2014, 04:20

Ngày tải lên: 31/03/2014, 17:20

... specification of descriptive constants and axioms relating them. Remarkably, 99.9% of 7,000 vocabulary items in our natural language ap- plications could be adequately axiomatlzed in the taxonomic ... Semantics of the JANUS Semantic Inter- pretation Language. In Research and Development in Natural Language Understanding as Part of the Strategic Computing Program, Annual Technical Report December ... NATURAL LANGUAGE PROCESSOR Ralph M. Weischedel BBN Systems and Technologies Corporation 10 Moulton St. CambHdge, MA 02138 Abstract In BBN's natural language understanding and generation...

Ngày tải lên: 21/02/2014, 20:20

... Generation’, is a branch of computational linguistics, which deals with automatic genera- tion of text in natural human language by the machine. It can be conceptualized as a process leading from a high ... approach that has been taken in the system, enables the basic language generation algorithms application independent and language independent. At the final stage of language generation it checks ... Pradipta Biswas School of Information Technology Indian Institute of Technology, Kharagpur 721302 INDIA pbiswas@sit.iitkgp.ernet.in Abstract Natural Language Generation (NLG) is a way to...

Ngày tải lên: 17/03/2014, 04:20

Ngày tải lên: 17/03/2014, 19:21

Ngày tải lên: 23/03/2014, 20:21