Using Semantic Prototypes for Discourse Status Classification

Authors:
Sandra Collovini;Luiz Carlos Ribeiro, Jr.;Patricia Nunes Gonçalves;Vinicius Muller;Renata Vieira
Affiliations:
Pontifícia Universidade do Rio Grande do Sul, Porto Alegre, Brasil;Pontifícia Universidade do Rio Grande do Sul, Porto Alegre, Brasil;Pontifícia Universidade do Rio Grande do Sul, Porto Alegre, Brasil;Universidade do Vale do Rio dos Sinos, São Leopoldo, Brasil;Pontifícia Universidade do Rio Grande do Sul, Porto Alegre, Brasil
Venue:
PROPOR '08 Proceedings of the 8th international conference on Computational Processing of the Portuguese Language
Year:
2008

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Abstract

Discourse status is related to different aspects of entity mention in the discourse, such as whether they are first or subsequently mentioned and on what grounds. This paper presents the evaluation of semantic prototype as input feature for discourse status classification considering Decision Trees as machine learning algorithm. We show that the semantic prototypes improves classification of two specially difficult and scarce classes.