towards portable natural language interfaces to knowledge bases

... 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) (Rayner,...

Ngày tải lên: 08/03/2014, 07:20

... 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 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

Ngày tải lên: 17/03/2014, 19:20

Ngày tải lên: 31/03/2014, 17:20

... display and three-button mouse on these systems. LANGUAGE AS A KNOWLEDGE ENGINEERING TOOL The major bottlenecks in building knowledge based sys- tems have proven to be related to the definition ... scientists to carry out this ver- bal elicitation task. The major issue is how to gee started defining the forms into which knowledge is to be cast. We have found it an effect/ve technique tO begin ... that it serve as a natural language input system to facilitate transfer of knowledge during the knowledge acquisition phase of expert system development. IIqKA is not intended to stand alone as...

Ngày tải lên: 21/02/2014, 20:20

Ngày tải lên: 17/03/2014, 06:20

Ngày tải lên: 17/03/2014, 19:21

Ngày tải lên: 23/03/2014, 20:21

... 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 ... NATURAL- LANGUAGE ACCESS TO DATABASES THEORETICAL/TECHNICAL ISSUES Robert C. Moore Artificial Intelligence Center...

Ngày tải lên: 21/02/2014, 20:20

... take such factors as time scale into account. The problem is more difficult to deal with for a transportable natural- language interface, but two strategies appear possible. One is to provide ... of hlgher-ozdez degree operator, then that operator has to apply to both predicates and quantiflers. Another possibility would be to apply the degree operator to an entire fozmula, as in ... goal of transportability is to enable nonspeciallsts to adapt a natural- language processing system for access to an existing conventional database. TEAM is designed to interact with two different...

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 ... 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. R. ... establishing the completeness of query languages offer little or no guidance as to the construction of a practical translator from relational calculus to a formal query language such as SQL. Hence,...

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 ... "front-end" to databases is surely putting the cart before the horse. What one should really do is to investigate what "back-end" is needed to support NL interfaces to computers, ... 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...

Ngày tải lên: 21/02/2014, 20:20

... 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 ... type of scotoma is the arcuate (bow-shaped) scotoma. This must be a separate concept since it is meaninsful to suty "double arcuste scotoma" but not "doubte scotoma",...

Ngày tải lên: 08/03/2014, 18:20

... "Developing a Natural Language Interface to Complex Data," SRI International, 1976. 11. Hendrix, G. G., "The LIFER Manual: A guide to Building Practical Natural Language Interfaces, " ... The initial objective of this study was to circumscribe the natural language interface task by attempting to instruct users of a simulated interface not to employ different discourse devices ... appropriate commands to the (real) operating system. In different sessions, users were instructed not to use pronouns, to type only complete sentences, to avoid complex syntax, to type only direct...

Ngày tải lên: 08/03/2014, 18:20

Ngày tải lên: 08/03/2014, 18:20

Ngày tải lên: 08/03/2014, 18:20

Ngày tải lên: 18/03/2014, 02:20

Ngày tải lên: 24/03/2014, 01:21

Ngày tải lên: 31/03/2014, 04:20

Ngày tải lên: 17/03/2014, 19:21