Dedicated nominal featurization of portuguese

Authors:
António Branco;João Ricardo Silva
Affiliations:
Department of Informatics, NLX—Natural Language Group, University of Lisbon;Department of Informatics, NLX—Natural Language Group, University of Lisbon
Venue:
PROPOR'06 Proceedings of the 7th international conference on Computational Processing of the Portuguese Language
Year:
2006

Citing 3
Cited 0

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Abstract

A widespread assumption about the analysis of inflection features is that this task is to be performed by a tagger with an extended tagset. This typically leads to a POS precision drop due to the data-sparseness problem. In this paper we tackle this problem by addressing inflection tagging as a dedicated task, separated from that of POS tagging. More specifically, this paper describes and evaluates a rule-based approach to the tagging of Gender, Number and Degree inflection of open nominal morphosyntactic categories. This approach achieves a better F-measure than the typical approach of inflection analysis via stochastic state-of-the-art tagging.