Mostrando ítems 26-45 de 83
Quer Bosor, Carme (Fecha de defensa: 1998-10-14)
González Bermúdez, Meritxell (Fecha de defensa: 2010-10-22)
Current dialogue systems can handle friendly and collaborative communication that supports diverse types of interactions, such as menus in which the user is asked to choose an option, form filling in which the user is ...
Gel Moreno, Bernat (Fecha de defensa: 2014-07-29)
With the recent advent of various waves of technological advances, the amount of biological data being generated has exploded. As a consequence of this data deluge, new challenges have emerged in the field of biological ...
Sánchez Ruenes, David (Fecha de defensa: 2007-12-14)
El Aprendizaje de Ontologías se define como el conjunto de métodos utilizados para construir, enriquecer o adaptar una ontología existente de forma semiautomática, utilizando fuentes de información heterogéneas. En este ...
Ojeda Contreras, Jesús (Fecha de defensa: 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 simulation, more so if ...
Teniente, Ernest (Fecha de defensa: 1992-06-19)
En esta tesis se presenta un nuevo método, llamado método de los eventos, para la actualización de vistas en bases de datos deductivas. Este método aumenta la base de datos con un conjunto de reglas, llamadas reglas de ...
Giménez Linares, Jesús Ángel (Fecha de defensa: 2008-07-02)
Aquesta tesi estudia l'aplicació de les tecnologies del Processament del Llenguatge Natural disponibles actualment al problema de la Traducció Automàtica basada en Mètodes Empírics i la seva Avaluació.<br/><br/>D'una banda, ...
Díaz Iriberri, José (Fecha de defensa: 2013-04-26)
Due to the nature of scientic data sets, the generation of convenient visualizations may be a difficult task, but crucial to correctly convey the relevant information of the data. When working with complex volume models, ...
Steiner, Thomas (Fecha de defensa: 2014-05-20)
(i) Mobile devices and social networks are omnipresent Mobile devices such as smartphones, tablets, or digital cameras together with social networks enable people to create, share, and consume enormous amounts of media ...
Muñoz Gràcia, Maria Pilar (Fecha de defensa: 1988-01-01)
El objetivo del trabajo era sintetizar un filtro no lineal optimo para la estimación de parámetros de modelos arma. El interés de un filtro de este estilo reside en elhecho que permite evaluar exactamente el numero mínimo ...
Codina Busquet, Victor (Fecha de defensa: 2014-06-13)
During the last decade, the use of recommender systems has been increasingly growing to the point that, nowadays, the success of many well-known services depends on these technologies. Recommenders Systems help people to ...
Garcia Gomez, David (Fecha de defensa: 2014-04-10)
The ongoing processes of globalization and deregulation are changing the competitive framework in the majority of economic sectors. The appearance of new competitors and technologies entails a sharp increase in competition ...
Comas Umbert, Pere R. (Fecha de defensa: 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 be robustly adapted ...
Méndez Feliu, Àlex (Fecha de defensa: 2007-06-15)
Per al càlcul de la il·luminació global per a la síntesi d'imatges d'escenaris virtuals s'usen mètodes físicament acurats com a radiositat o el ray-tracing. Aquests mètodes són molt potents i capaços de generar imatges de ...
Cares Gallardo, Carlos (Fecha de defensa: 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 i* language¿). There ...
Cruz Barbosa, Raúl (Fecha de defensa: 2009-10-01)
In many real-world application problems, the availability of data labels for supervised learning is rather limited. Incompletely labeled datasets are common in many of the databases generated in some of the currently most ...
Hidalgo García, Marta R. (Fecha de defensa: 2013-12-02)
Geometric constraint solving is a central topic in many fields such as parametric solid modeling, computer-aided design or chemical molecular docking. A geometric constraint problem consists of a set geometric objects on ...
Pérez Cazorla, Frederic (Fecha de defensa: 2003-05-26)
The objective of this thesis is the development of algorithms for the simulation of the light transport in general environments to render high quality still images. To this end, first we have analyzed the existing methods ...
Belanche Muñoz, Lluís A. (Lluís Antoni) (Fecha de defensa: 2000-07-18)
Aquest treball presenta una classe de funcions que serveixen de models neuronals generalitzats per ser usats en xarxes neuronals artificials. Es defineixen com una mesura de similitud que actúa com una definició flexible ...
Rigau Vilalta, Jaume (Fecha de defensa: 2006-11-17)
Aquest treball està enmarcat en el context de gràfics per computador partint de la intersecció de tres camps: rendering, teoria de la informació, i complexitat.<br/><br/>Inicialment, el concepte de complexitat d'una escena ...