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Alvaro Ortigosa
Researcher at Autonomous University of Madrid
Publications - 63
Citations - 1735
Alvaro Ortigosa is an academic researcher from Autonomous University of Madrid. The author has contributed to research in topics: Adaptive hypermedia & Adaptation (computer science). The author has an hindex of 18, co-authored 62 publications receiving 1575 citations. Previous affiliations of Alvaro Ortigosa include Technische Universität München.
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Sentiment analysis in Facebook and its application to e-learning
TL;DR: A new method for sentiment analysis in Facebook is presented, starting from messages written by users, to extract information about the users' sentiment polarity (positive, neutral or negative), as transmitted in the messages they write, and to model the Users' usual sentiment pol parity and to detect significant emotional changes.
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The impact of learning styles on student grouping for collaborative learning: a case study
TL;DR: This paper presents how the benefit of considering learning styles with adaptation purposes, as part of the user model, can be extended to the context of collaborative learning as a key feature for group formation.
Recommendation in higher education using data mining techniques
TL;DR: This is an electronic version of the paper presented at the International Conference on Educational Data Mining (EDM'09), held in Cordoba (Spain) on 2009.
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Predicting user personality by mining social interactions in Facebook
TL;DR: TP2010, a Facebook application, is developed with the goal of inferring personality from the analysis of user interactions within social networks, and the results show that the classifiers have a high level of accuracy, making the proposed approach a reliable method for predicting the user personality.