a natural language database interface for sql tutor

... 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 ... 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 ... syntac- tic, semantic, and lexical rules are applied by a bottom-up all-paths constituent parser to populate a chart with edges containing syntactic, seman- tic, and logical form information....

Ngày tải lên: 20/02/2014, 21:20

... 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 ... here allows for a balanced extension of this very smaU core. The list//3 was chosen as the statistical core vocabulary serving as a base for applying se- mantic criteria, becat, se the overall...

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Ngày tải lên: 19/03/2015, 14:46

... 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 ... Beals Unisys Corporation 2476 Swedesford Road Malvern, PA USA 19355 { norton,dahl,lli.beals } @tr.unisys.com Abstract Knowledge acquisition is a serious bottleneck for natural language...

Ngày tải lên: 20/02/2014, 18:20

... build a natural language database access systee that achieves an acceptable level of per- formance without including domain-specific concep- tual knowledge. 6 gerforn=nca ~i~g~ion for oa~u£al ... 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 ... the same way as to the technician. That is, whatever the techni- cian would understand, the program should understand. For example, a natural language front end to a stock market database...

Ngày tải lên: 21/02/2014, 20:20

... Dialectics Katerina Pastra Inst. for Language & Speech Processing Athens, Greece kpastra@ilsp.gr Eirini Balta Inst. for Language & Speech Processing Athens, Greece ebalta@ilsp.gr Abstract The growing ... analogy to language discourse analysis for “talking” about multimedia dialectics. It actually borrows terms that are widely used in language analysis for describing a number of phe- nomena (e.g. ... information an advanced user would get, are available following the advance- information link. The use of semantic relations in multimedia data, in this case, is hidden in the way results are...

Ngày tải lên: 22/02/2014, 02:20

... capability. Based on experience with INTELLECT in the areas of quality assurance and customer support, a number of issues in evaluating a natural language data- base query system, particularly ... INTELLECT's basic capability is data retrieval. Within the language domain defined by the retrieval semantics of the particular DBMS and the vocabulary of the parti- cular database, INTELLECT's ... words and phrases relevant to the data and how they relate to the data items. The system maintains a log of all queries, for analysis of its performance. Artificial Intelligence Corporation was...

Ngày tải lên: 08/03/2014, 18:20

... Wblch are necessarily the same. Thus we can instantiate APPT.who and ApPT2.name with "James Parker." We classify "April 13" as a calendar date and instantiate APPT.date, APPT2.date ... responses from a natural language data base query system. Stanford Univ. Heuristic Programming Project paper HPP-79-19. Kaplan, S.J., and Davidson, J., Inter- preting Natural Language Updates. Proceed- ... 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...

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Ngày tải lên: 17/03/2014, 19:21

... of a database interface. The second class of work on pragmatics and language for information systems was initiated by Allen and Perrault (80), and Cohen (78) and involves maintaining a formal ... natural language database systems still provide a valuable environment for natural language research is not a simple one. As evidenced by the growing body of work on Gricean implicature and ... of Computer and Information Science, University of Pennsylvania, Philadelphia, Pa., 1983. (Kaplan 79). Kaplan, S. J., Cooperative responses from a portable natural language database query system...

Ngày tải lên: 21/02/2014, 20:20

... issues 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 ... 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 for Information ... [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...

Ngày tải lên: 21/02/2014, 20:20

... Linguistics A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing Jianfeng Gao * , Galen Andrew * , Mark Johnson *& , Kristina Toutanova * * Microsoft ... Introduction Parameter estimation is fundamental to many sta- tistical approaches to NLP. Because of the high-dimensional nature of natural language, it is often easy to generate an extremely large ... Boosted Lasso The Boosted Lasso (BLasso) algorithm was origi- nally proposed in Zhao and Yu (2004), and was adapted for language modeling by Gao et al. (2006). BLasso can be viewed as a version...

Ngày tải lên: 08/03/2014, 02:21

... acquisition. 2 The Language Domain Database The focus of the language domain database, (hereafter LDD), is to make readily available the different word order patterns that children are typically exposed ... examining by hand, several thousand sentences from corpora in the CHILDES database in five languages (English, German, Italian, Japanese and Russian), we found that approximately 85% are ... may peruse sentences and their derivations. On this page a user may annotate the patterns and derivations however he or she wishes. All grammar settings and annotations are saved and available...

Ngày tải lên: 08/03/2014, 04:22

... 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 ... intermedlary[l]? What are the independent variables that must be allowed for? What tools are available to determine user bias and experience beforehand, and user satisfaction afterward? IIl....

Ngày tải lên: 08/03/2014, 18:20

... new material may be added to planned text are defined on structural grounds. For example, notice that in paragraph 1I from Figure I the language- field is realized as as a compound adjectival ... legitimate ways that the surface structure might be extended: another adjective added to a certain noun phrase, a temporal adjunct added to a clause, another sentence add,~cl tO a paragraph, and ... The Ashanti are an AKAN-speaking people of central Ghana and neighboring regions of Togo and Ivory Coast, numbering more than 900,000. They subsist primarily by farming cacao, a major cash...

Ngày tải lên: 09/03/2014, 01:20

... AnnotationPattern.compile(“pattern”); The method takes advantage of the UIMA im- plementation of annotations. Each annotation is an instance of a class that inherits from the UIMA class Annotation 5 . UIMA allows ... of an AnnotationPattern is created from the static compile method. AnnotationPattern is analogous to the Java Pattern 3 class. AnnotationPattern susceptibilityPattern = AnnotationPattern.compile(“pattern”); ... func- tionality to find annotations that covering the span of another annotations or all annotations contained within the span of another annotation. getContainingAnnotations( Annotation a1 )...

Ngày tải lên: 17/03/2014, 00:20