largescale natural language data

... 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 database as a substitute for conceptual knowledge regarding the database content area. In this paper I examine the issue of whether or not it is possi- ble to build a natural language database ... 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

... represent the features of natural language data. In this case, since the orig- inal natural language data is symbolic, researchers convert the symbolic data into numeric data. This process, feature ... paper proposes the “Hierarchical Di- rected Acyclic Graph (HDAG) Kernel” for structured natural language data. The HDAG Kernel directlyacceptsseveral lev- els of both chunks and their relations, and ... calculation time becomes . Hierarchical Directed Acyclic Graph Kernel: Methods for Structured Natural Language Data Jun Suzuki, Tsutomu Hirao, Yutaka Sasaki, and Eisaku Maeda NTT Communication Science...

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... 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, ... CA 94025 I INTRODUCTION Although there have been many experimental systems for natural- language access to databases, with some now going into actual use, many problems in this area remain ... 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 underlying issues, on what particular...

Ngày tải lên: 21/02/2014, 20:20

... expression above into a formal query language such as SQL. The relations ZONEF and LUCF are existing database relations, but there is no relation GEOBASE* in the database, giv- ing the subplanning ... posing this problem, the session chairman pointed out that natural language query systems usu- ally assume that the Concepts represented by data- base fields will always be expressed in English ... vacant parcels in subplan- ning area 410?" 53 THEORETICAL/TECHNICAL ISSUES IN NATURAL LANGUAGE ACCESS TO DATABASES S. R. Petrick IBM T.J. Watson Research Center INTRODUCTION In responding...

Ngày tải lên: 21/02/2014, 20:20

... relational database query language. Moreover, the efficiency of the DEC-10 Prolog implementation is comparable both with compiled Lisp [9] and with current relational database systems [6] (for databases ... 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 ... 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 by general rules having...

Ngày tải lên: 21/02/2014, 20:20

... 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, ... with, obvious problems of language and knowledge processing. But I believe that database query is reaching the end of its utility for fundamental research on natural language understanding,...

Ngày tải lên: 21/02/2014, 20:20

... "Interpreting Natural Language Data Base Updates," Proceedings of the 19th Meeting of the Association for Computational Linguistics. 1981. 4. Salvater. S., " ;Natural Language Data Ba,s~ ... found intersentential meta -language utterances, crass- party ellipsis and anaphora, and dynamic language redefinition, to name a few. An instance of intersentential meta .language typical to this ... "back ends" (expert systems, data bases, operating systems, utility packages, electronic mail systems, etc.) through a single uniform natural language interface. The integration of...

Ngày tải lên: 21/02/2014, 20:20

... the interface were being developed in such an environment, one could use natural language to develop the natural language system itself, a property that would be not only useful but also ... and aspect issues which are not so readily raised in a simple database query application. A final advantage of extending a natural language inter- face to include the programming environment ... interface would raise include a greater need for some language production capability (where the ordinary database query system can get by with only language un- derstanding), and a greater need for...

Ngày tải lên: 21/02/2014, 20:20

... previous discourse. 4 Conclusions The question of whether natural language database systems still provide a valuable environment for natural language research is not a simple one. As evidenced ... user modelling of plans, the database environment is still a good one for some unsolved natural language problems. Nevertheless, there are interesting natural language problems which cannot ... there must be an interesting language problem which is more naturally studied in some other system than in the database system. We are currently working on natural language for expert systems...

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 ... words of the input utterance in natural language (lexical predicates). Output is a logical formula, consist- ing of predicates meaningful to the database engine (database predicates). AET provides ... 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) (Rayner,...

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