Browsing Informes técnicos y Documentos de trabajo by Author "Ortigosa Hernández, Jonathan"
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Approaching Sentiment Analysis by Using Semi-supervised Learning of Multidimensional Classifiers
Ortigosa Hernández, Jonathan; Rodríguez Fernández, Juan Diego; Alzate, Leandro; Lucania, Manuel; Inza Cano, Iñaki ; Lozano Alonso, José Antonio (2011)Sentiment Analysis is defined as the computational study of opinions, sentiments and emotions expressed in text. Within this broad field, most of the work has been focused on either Sentiment Polarity classification, ... -
On the optimal usage of labelled examples in semi-supervised multi-class classification problems
In recent years, the performance of semi-supervised learning has been theoretically investigated. However, most of this theoretical development has focussed on binary classification problems. In this paper, we take it a ...