Parser for natural language text

Details Parser for natural language text Parser for natural language text

1986-10-29

1989-12-12

MacDonald, Allen

Boots, shoes, and leggings

364900, G06F 500, G06F 1500

Patent

active

048872121

ABSTRACT:
An improved natural language text parser is disclosed which provides syntactic analysis of text using a fast and compact technique. Sequential steps of word isolation, morphological analysis and dictionary look-up combined with a complement grammar analysis, are applied to an input data stream of woods. Word expert rules, verb group analysis and clause analysis are then applied to provide an output data structure where the words in the input data stream are associated with appropriate phrase markings. The principle of operation of the parser is applicable to a variety of Indo-European languages and provides a faster and more compact technique for parsing in a data processor than has been available in the prior art.

REFERENCES:
patent: 4635199 (1987-01-01), Muraki
patent: 4661924 (1987-04-01), Okamoto et al.
patent: 4674066 (1987-08-01), Kucera
L. L. Cherry, "Parts--A System for Assigning Word Classes to be English Text," Bell Laboratories Computing Science Technical Report, No. 81, Bell Laboratories, Murray Hill, NJ (1978).
C. Rieger et al., "Word Expert Parsing," Proceedings, Sixth International Joint Conference on Artificial Intelligence, Tokyo, 1979.
M. P. Marcus, "A Theory of Syntactic Recognition for Natural Language," The MIT Press, Cambridge, MA, 1980.
N. Sager, "Natural Language Information Processing," A Computer Grammar of English and its Applications, Addison-Wesley Publishing, Reading, MA, 1981.
G. E. Heidorn, et al., "The EPISTLE Text-Critiquing System," IBM Systems Journal, vol. 21, No. 3, pp. 305-326 (1982).
J. J. Robinson, "Diagram: A Grammer for Dialogues," Comm. of the AC, vol. 25, No. 1, pp. 27-47 (1982).
W. A. Woods, "Transition Network Grammars for Natural Language Analysis," Comm. of the ACM, vol. 13, No. 10, pp. 591-606 (1970).

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