Controlled active procedures as a tool for linguistic engineering

  • Authors:
  • Heinz-Dirk Luckhardt;Manfred Thiel

  • Affiliations:
  • Universität des Saarlandes, Saarbrücken, Bundesrepublik Deutschland;Universität des Saarlandes, Saarbrücken, Bundesrepublik Deutschland

  • Venue:
  • COLING '86 Proceedings of the 11th coference on Computational linguistics
  • Year:
  • 1986

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Abstract

Controlled active procedures are productions that are grouped under and activated by units called 'scouts'. Scouts are controlled by units called 'missions', which also select relevant sections from the data structure for rule application. Following the problem reduction method, the parsing problem is subdivided into ever smaller subproblems, each one of which is represented by a mission. The elementary problems are represented by scouts. The CAP grammar formalism is based on experience gained with natural language (NL) analysis and translation by computer in the Sonderforschungsbereich 100 at the University of Saarbrücken over the past twelve years and dictated by the wish to develop an efficient parser for random NL texts on a sound theoretical basis. The idea has ripened in discussions with colleagues from the EUROTRA-project and is based on what Heinz-Dieter Maas has developed in the framework of the SUSY-II system.In the present paper, CAP is introduced as a means of linguistic engineering (cf. Simmons 1985), which covers aspects like rule writing, parsing strategies, syntactic and semantic representation of meaning, representation of lexical knowledge etc.