AN INTERACTIVE SYSTEM FOR COMPUTING DEPENDENCIES, PHRASE STRUCTURES AND KERNELS.
Abstract
Growing out of a need for the deep syntactic analysis of questions and possible answers in the Protosynthex approach to question answering, an automatic syntactic analysis system that is programmed in LISP is described. This is an interactive system that derives a grammar from hand-parsed sentences. It produces first a dependency analysis, which is then used as a basis for constructing an immediate-constituent surface phrase-structure tree. The resulting surface structure offers cues that allow the system to derive a kernel string for each presumed deep structure sentence that has been embedded in the surface structure. Interactive features include the capability for users to change the grammar, to select one of several presented parsings, to correct errors in the parsing, and to select various displays either on a CRT or in printed form. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 29, 1967
- Accession Number
- AD0654926
Entities
People
- John F. Burger
- Robert E. Long
- Robert F. Simmons
Organizations
- System Development Corporation