... application toNaturalLanguage Database Interfacing. Ph.D. Thesis, Royal Institute of Technology, Stockholm, Sweden. 316 Semantic Information Preprocessing for NaturalLanguageInterfacestoDatabases ... lectional restrictions to parsers in natural language interfaces (NLIs) todatabases 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 naturallanguageinterfaces (NLIs) to databases. The work is based on Linguis- tic Domain Theories (LDTs)...
... 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 todatabases has focused, at the expense of the underlying issues, on what particular systems can or cannot do. To avoid ... NATURAL- LANGUAGE ACCESS TODATABASES THEORETICAL/TECHNICAL ISSUES Robert C. Moore Artificial Intelligence...
... 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 ... which TQA assigns to the sen- tence "What is the zone of the vacant parcels in subplan- ning area 410?" 53 THEORETICAL/TECHNICAL ISSUES IN NATURALLANGUAGE ACCESS TODATABASES S. ... 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,...
... access todatabases is that the work is restricted to providing access to databases, whereas users would appreciate NL interfacesto computer systems in general. Moreover, the attempt to provide ... "front-end" todatabases is surely putting the cart before the horse. What one should really do is to investigate what "back-end" is needed to support NL interfacesto 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...
... EVALUATION OF NATURALLANGUAGEINTERFACESTO DATABASE SYSTEMS: A PANEL DISCUSSION Norman K. Sondheimer, Chair Sperry Univac Blue Bell, PA For a naturallanguage 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 naturallanguage systems performance? ... Recently, this has begun to change. In the last several years, many of the current generation of naturallanguage access to database systems have been subject to laboratory or field testing....
... into some naturallanguage interface and be done with it. This paper discusses the naturallanguage technology used in building INKA. The system incorporates a diverse collec- tion of natural ... In short, the our approach tobuilding practical natural language inte~ ees does not depend on a semantic grammar to Âoastra/n input. In the future we intend to explore the u~ of a wider ... instruction to start using INGLISH. Ini- tially there is a preference to tt~ the mouse to explore the cov- erage and then to begin to incorporate some typing. We have not had any long-term use~ to...
... highest accuracy is the notorious ambiguity of nominal compounds. For example, the phrase natural language processing should generate language +natural and processing +language, while dynamic ... " ;natural& quot; is deleted from a query already containing " ;natural language& quot; because " ;natural& quot; occurs in many unrelated contexts: " ;natural number", " ;natural ... automated indexing of documents, then search and ranking in response to user queries. This core architecture is augmented with advanced natural language processing tools which are both robust...
... 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 ... extension of the language- processlng and data access components that make it possible for an end user to query the new database in natural language. A major benefit of using naturallanguage is ... 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...
... 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. NaturalLanguage 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. NaturalLanguage ... given to the eye but is taken orally. In addition to this, ic £s generally not possible to know at the clme of encountering a word whether it refers to an existing Instance or to a new...
... "Developing a NaturalLanguage Interface to Complex Data," SRI International, 1976. 11. Hendrix, G. G., "The LIFER Manual: A guide toBuilding Practical NaturalLanguage Interfaces, " ... The initial objective of this study was to circumscribe the naturallanguage 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...