Now showing items 58-77 of 83
Màrquez, Lluís (Date of defense: 1999-07-21)
The study and application of general Machine Learning (ML) algorithms to theclassical ambiguity problems in the area of Natural Language Processing (NLP) isa currently very active area of research. This trend is sometimes ...
Cabanillas, David (Date of defense: 2009-04-01)
Large--scale distributed environments can be seen as a conflict between the selfish aims of the participants and the group welfare of the population as a whole. In order to regulate the behavior of the participants it is ...
Argelaguet Sanz, Fernando (Date of defense: 2011-07-04)
Les contribucions d’aquesta tesi s’emmarquen en la interacció home-computador en entorns de realitat virtual. Concretament, en la millora de tasques de selecció d’objectes tridimensionals. La selecció d’objectes és una ...
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 action is expected ...
López Arévalo, Iván (Date of defense: 2005-11-05)
Els processos industrials requereixen avaluacions periòdiques per a verificar la seva correcta operació en termes tècnics i econòmics. Aquestes avaluacions són necessàries a causa de els canvis en els mercats i en la ...
Dürsteler, Juan Carlos (Date of defense: 1991-12-09)
Abío Roig, Ignasi (Date of defense: 2013-05-15)
The topic of this thesis is the development of SAT-based techniques and tools for solving industrial combinatorial problems. First, it describes the architecture of state-of-the-art SAT and SMT Solvers based on the classical ...
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 complexity ...
Hernández Pibernat, Hugo (Date of defense: 2012-06-11)
The main contributions of this thesis are located in the domain of wireless sensor netorks. More in detail, we introduce energyaware algorithms and protocols in the context of the following topics: self-synchronized ...
Alquézar Mancho, René (Date of defense: 1997-05-12)
This thesis is structured in four parts for a total of ten chapters. <br/><br/>The first part, introduction and review (Chapters 1 to 4), presents an extensive state-of-the-art review of both symbolic and connectionist GI ...
Ayala, Claudia P. (Claudia Patricia) (Date of defense: 2008-03-31)
El proceso de construir software a partir del ensamblaje e integración de soluciones de software pre-fabricadas, conocidas como componentes COTS (Comercial-Off-The-Shelf) se ha convertido en una necesidad estratégica en ...
Tort Pugibet, Albert (Date of defense: 2012-04-11)
The traditional focus for Information Systems (IS) quality assurance relies on the evaluation of its implementation. However, the quality of an IS can be largely determined in the first stages of its development. Several ...
García Chacón, Alina (Date of defense: 2012-05-07)
The analysis of the computational aspects of strategic situations is a basic field in Computer Sciences. Two main topics related to strategic games have been developed. First, introduction and analysis of a class of games ...
Helmi Mohamed Elsadek, Ahmed Mohamed (Date of defense: 2013-04-08)
The hiring problem is a simple model for on-line decision-making under uncertainty, recently introduced in the literature. Despite some related work dates back to 2000, the name and the first extensive studies were written ...
López Cuesta, Lidia (Date of defense: 2013-05-16)
This thesis provides a formal proposal for the specialization relationship in the i* framework that allows its use in a well-defined manner. I root my proposal over existing works in different areas that are interested in ...
Confalonieri, Roberto (Date of defense: 2011-12-02)
Intelligent systems that assist users in fulfilling complex tasks need a concise and processable representation of incomplete and uncertain information. In order to be able to choose among different options, these systems ...
Martín Escofet, Carme (Date of defense: 2005-06-27)
This Ph.D. thesis mainly deals with temporal and deductive databases areas and the aim is to obtain a method for integrity constraint checking in bitemporal deductive databases, analyzing the temporal integrity constraint ...
Sabater i Pruna, Assumpta (Date of defense: 1996-11-26)
En esta tesis se desarrolla un sistema de tratamiento de informaciones geométricas con incertidumbre, basado en la propagación y fusión de regiones elipsoidales. Se adopta un modelo de incertidumbre acotada en el espacio ...
Hernández Jiménez, Enric (Date of defense: 2007-01-12)
El concepte d'igualtat és fonamental en qualsevol teoria donat que és una noció essencial a l'hora de discernir entre els elements objecte del seu estudi i possibilitar la definició de mecanismes de classificació.<br/><br/>Quan ...
Gonzàlez Pellicer, Edgar (Date of defense: 2012-06-01)
L'extracció d'informació és l'àrea del processament de llenguatge natural l'objectiu de la qual és l'obtenir dades estructurades a partir de la informació rellevant continguda en fragments textuals. L'extracció d'informació ...