GTI-Gradiant at TASS 2015: A Hybrid Approach for Sentiment Analysis in Twitter
Tamara Álvarez-López, Jonathan Juncal-Martínez, Milagros Fernández‐Gavilanes, Enrique Costa‐Montenegro, Francisco Javier González-Castaño, Héctor Cerezo‐Costas, Diego Celix-Salgado · 2015
acticas. Abstract: This paper describes the participation of the GTI research group of AtlantTIC, University of Vigo, and Gradiant (Galician Research and Development Centre in Advanced Telecommunications), in the tass 2015 workshop. Both groups have worked together in the development of a hybrid approach for sentiment anal- ysis, at a global level, of Twitter, proposed in task 1 of tass. A system based on classiers and unsupervised approaches, built with polarity lexicons and syntactic