Comas Umbert, Pere R. (Date of defense: 2012-05-12)
In this dissertation, we present a factoid question answering system, specifically tailored for Question Answering (QA) on spoken documents. This work explores, for the first time, which techniques can ...
Tolchinsky, Pancho (Date of defense: 2012-07-09)
In this Thesis we present an argument-based model – ProCLAIM – intended to provide a setting for heterogeneous agents to deliberate on whether a proposed action is safe. That is, whether or not a proposed ...
Oliva Valls, Sergi (Date of defense: 2013-05-02)
Propositional Proof Complexity is the area of Computational Complexity that studies the length of proofs in propositional logic. One of its main questions is to determine which particular propositional ...
Ojeda Contreras, Jesús (Date of defense: 2013-05-28)
Nowadays there is great demand for realistic simulations in the computer graphics field. Physically-based animations are commonly used, and one of the more complex problems in this field is fluid ...
Riquelme Csori, Fabián (Date of defense: 2014-07-29)
Simple games are a fundamental class of cooperative games. They have a huge relevance in several areas of computer science, social sciences and discrete applied mathematics. The algorithmic and computational ...
Villegas Niño, Antonio (Date of defense: 2013-01-29)
Cares Gallardo, Carlos (Date of defense: 2012-09-20)
Since the i* framework emerged in the requirements engineering community in the mid-90s, different research groups have proposed variations to the modelling language proposed in the i* framework (¿the ...
Balle Pigem, Borja de (Date of defense: 2013-07-12)
The present thesis addresses several machine learning problems on generative and predictive models on sequential data. All the models considered have in common that they can be de ned in terms of ...