EACL '89 Proceedings of the fourth conference on European chapter of the Association for Computational Linguistics
"Derivational" paradigms in morphonology
COLING '94 Proceedings of the 15th conference on Computational linguistics - Volume 1
ARIES: A lexical platform for engineering Spanish processing tools
Natural Language Engineering
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In recent years, morphological paradigms have been the focus of an extensive investigation, which has thrown in sharp relief the descriptive adequacy of a paradigm-based approach to the Morphology of lightly inflecting languages, with particular emphasis on notoriously thorny problems such as stem selection and stem choice in verb conjugation. Comparatively little has been done so far to show the practical descriptive advantages of an extensive use of paradigms in a computational system for word analysis/generation. In this paper we report in some detail the results of a fully developed, paradigm-based, computational treatment of the entire conjugational system of Italian. We focus on the considerable descriptive economy resulting from drawing on the amount of redundancy exhibited by the paradigmatic structure of both regular and irregular verbs in Italian. This redundancy, we suggest, is captured through so-called paradigmatic schemata. Our implementation compares favourably with other nonparadigmatic strategies in terms of both descriptive adequacy and economy.