a natural language query interface to structured information

... 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...

Ngày tải lên: 20/02/2014, 18:20

... sortal constraints are assigned to every atomic predicate and opera- tor appearing in the logical forms constructed by the semantic rules. Sorts are located in a conceptual hierarchy and are ... Spoken Language Corpus", in Proceedings of the DARPA Speech and Natural Language Workshop, February 23-26, 1992. Marcus, M. (1980). A Theory of Syntactic Recog- nition for Natural Language, ... 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...

Ngày tải lên: 20/02/2014, 21:20

... (;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 ... 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 ... relate to semantic criteria? 3. What semantic criteria can be found to de- fine a core vocabulary? Definitions of a core vocabulary "l:here are several ways to define core vocab,lary,...

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Ngày tải lên: 19/03/2015, 14:46

... 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

... 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

... 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

... 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 ... Sager 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...

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

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Ngày tải lên: 17/03/2014, 19:21

Ngày tải lên: 23/03/2014, 20:21

... follows the same pattern in that a small percentage of the total number of words make up the core vocabulary of any particular language. However, different languages may have different total number ... dreams, wishes and your plan. Where does the language stand in your plan? What does the language have to do with your dreams? Do you really need that language, and what benefits will you have ... after your very first attempt. A foreign language is also called a second language. Let me ask you a question: haven’t you been successful with your first language? And if you were able to...

Ngày tải lên: 04/03/2013, 10:06

... following table: Criteria NSE NSV Nationality English, American, Australian Vietnamese Language English as native language English as a foreign language Number of participants 14 (50%) (7 males and ... speakers and are related to each other in such a way they form a pair type. They call them an adjacency pair. The adjacency pair always consists of a first part and a second part. The utterance ... Petruchio has come to ask Baptista for his daughter s hand in marriage:’ Pet: And you, good Sir! Pray, have you got a daughter Call’d Katherina, fair and virtuous? Bap: I have a daughter, sir, call’s...

Ngày tải lên: 09/04/2013, 08:49