1. Hernández, D., Guzmán, R., Móntes y Gomez, M., & Rosso, P. (2013). Using PU-learning to detect deceptive opinion spam. In Proc. of the 4th Workshop on Computational Approaches to Subjectivity, Sentiment and Social Media Analysis (pp. 38–45).
2. Learning quickly when irrelevant attributes abound: A new linear-threshold algorithm;Littlestone;Machine Learning,1988
3. Affective computing;Picard,1997
4. Scherer, K. (2005). What are emotions? And how can they be measured? Social Science Information URL: .
5. Tracking point of view in narrative;Wiebe;Computational Linguistics,1994