tailieunhanh - Báo cáo khoa học: "AN ECLECTIC APPROACH TO BUILDING NATURAL LANGUAGE INTERFACES"

INKA is a natural language interface to facilitate knowledge acquisition during expert system development for electronic instrument trouble-thooting. The expert system design methodology develops a domain definition, called GLIB, in the form of a semantic grammar. This grammar format enables GLIB to be used with the INGLISH interface, which constrains users to create statements within a subset of English. Incremental patting in INGLISH allows immediate remedial information to be generated if a user deviates from the sublanguage. Sentences are translated into production rules using the methodology of lexical-functional grammar. . | AN ECLECTIC APPROACH TO BUILDING NATURAL LANGUAGE INTERFACES Brian Phillips Michael J. Freiling James H. Alexander Steven L. Messick Steve Rehfuss Sheldon Nichollt Tektronix Inc. . Box 500 M S 50-662 Beaverton OR 97077 ABSTRACT INKA is a natural language interface to facilitate knowledge acquisition during expert system development for electronic instrument trouble-shooting. The expert system design methodology develops a domain definition called GLIB in the form of a semantic grammar. This grammar format enables GLIB to be used with the INGL1SH interface which constrains users to create statements within a subset of English. Incremental parsing in INGLỈSH allows immediate remedial information to be generated if a user deviates from the sublanguage. Sentences are translated into production rules using the methodology of lexical-functional grammar. The system is written in Smalltalk and in INKA produces rules for a Prolog inference engine. INTRODUCTION The ideal natural language interface would let any user without any prior training interact with a computer. Such an interface would be useful in the knowledge acquisition phase of expert system development where the diagnostic knowledge of a skilled practitioner has to be elicited. As technicians are not familiar with formal knowledge representation schemes a trained intermediary a knowledge engineer is generally employed to handcraft the internal format. This process is time-consuming and expensive. INKA INglish Knowledge Acquisition permits task experts to express their knowledge in a subset of English and have it automatically translated into the appropriate representational formalism. In particular the version of INKA to be discussed here accepts input in a sublanguage called GLIB which permits the statement of facts and rules relevant to the troubleshooting of electronic systems Freiling et al. 1984 and translates these statements into Prolog unit clauses for later processing by a specialized inference .

• Báo cáo khoa học
• AN ECLECTIC APPROACH TO BUILDING
• NATURAL LANGUAGE INTERFACES
• Brian Phillips
• Michael J
• Freilingword stress from spelling