Visualitza Congressos (Departament de Traducció i Ciències del Llenguatge) per matèria "Opinion Mining"

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A Classification of Adjectives for Polarity Lexicons Enhancement

Vázquez, Silvia; Bel Rafecas, Núria (ELRA (European Language Resources Association), 2012)

Subjective language detection is one of the most important challenges in Sentiment Analysis. Because of the weight and frequency in opinionated texts, adjectives are considered a key piece in the opinion extraction process. ...
Automatic Extraction of Polar Adjectives for the Creation of Polarity Lexicons

Vázquez, Silvia; Padró, Muntsa; Bel Rafecas, Núria; Gonzalo, Julio (ACL (Association for Computational Linguistics), 2012)

Automatic creation of polarity lexicons is a crucial issue to be solved in order to reduce time and/nefforts in the first steps of Sentiment Analysis. In this paper we present a methodology based on/nlinguistic cues that ...