Now showing items 40606-40625 of 41845
Trias Mansilla, Albert (Date of defense: 2013-07-19)
The village paradigm presents some benefits compared with the library paradigm; people can adapt the answer content as a function of who is requesting the information, or furthermore, people can perform clarifications of ...
Safari, Pooyan (Date of defense: 2023-05-19)
(English) The thesis presents various contributions to the field of speaker recognition. In the first part of the thesis, the focus is on unsupervised methods for speaker recognition. This includes a method that uses Deep ...
Martínez Usó, Adolfo (Date of defense: 2008-09-18)
The title of the thesis focuses the attention on hyperspectral image segmentation, that is, we want to detect salient regions in a hyperspectral image and isolate them as accurate as possible. This purpose presents two ...
Naderi, Ali M. (Date of defense: 2016-02-10)
Nowadays, the human textual data constitutes a great proportion of the shared information resources such as World Wide Web (WWW). Social networks, news and learning resources as well as Knowledge Bases (KBs) are just the ...
Calderón-Benavides, Liliana (Date of defense: 2011-09-27)
This doctoral work focuses on identifying and understanding the intents that motivate a user to perform a search on the Web. To this end, we apply machine learning models that do not require more information than the one ...
Jauk, Igor (Date of defense: 2017-09-12)
Nowadays, especially with the upswing of neural networks, speech synthesis is almost totally data driven. The goal of this thesis is to provide methods for automatic and unsupervised learning from data for expressive speech ...
Nikbakht Silab, Rasoul (Date of defense: 2021-03-17)
This thesis studies parametric optimization in cellular and cell-free networks, exploring data-based and expert-based paradigms. Power allocation and power control, which adjust the transmit power to meet different fairness ...
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 ...
Martín de Dios, Laura (Date of defense: 2024-05-06)
La organización del genoma en células mamíferas sigue siendo en gran parte desconocida. Un nivel fundamental de organización se considera el bucle de cromatina, que consiste en una región de ADN atrapada en el interior ...
Andrian, Teodora (Date of defense: 2022-06-30)
Els tractaments actuals contra el càncer més enllà de la cirurgia inclouen teràpies que tenen un èxit limitat. Això és degut a efectes secundaris greus, que condueixen a una qualitat de vida reduïda i una baixa efectivitat. ...
López Escardó, David (Date of defense: 2018-01-15)
Opisthokonta is an eukaryotic supergroup that contains Metazoa, Fungi and their unicellular relatives. Therefore, this group provides an ideal framework to study distinct unicellular-multicellular transitions, among them, ...
López Begines, Santiago (Date of defense: 2016-11-18)
In photoreceptor cells of the retina, light triggers a protein G-mediated enzymatic cascade that leads to hydrolysis of cGMP. The drop in cGMP levels causes the closure of cGMP-channel at the plasma membrane, decreasing ...
Azagra Rodríguez, Alba (Date of defense: 2019-11-29)
B lymphopoiesis is the result of several cell lineage choices and differentiation steps whose perturbation leads to B cell malignancies. Cellular transitions for B cell generation have been associated with gene activation ...
Raich Armendáriz, Lluís Adrià (Date of defense: 2018-06-14)
Enzymes have attracted the attention of chemists and biologists since long ago due to their molecular complexity and tremendous efficiency. They are highly specific catalysts that make chemical reactions possible at mild ...
Gutiérrez García, Laura (Date of defense: 2019-10-31)
In plants, the sterol biosynthetic pathway leads to the production of a complex mixture of end-products, among which β-sitosterol, stigmasterol, campesterol, and cholesterol are the most abundant ones. Stigmasterol, the ...
Trüninger Albuquerque, Margarida (Date of defense: 2016-02-05)
La present tesi investiga el paper catalitzador de la intel·ligència emocional (IE) comportamental, sobre la relació entre la intel·ligència general, o g, i l'acompliment en la aprenentatge. La tesi comprèn tres articles ...
Belmonte Mateos, Carla (Date of defense: 2022-02-03)
Precise regulation of neurogenesis is achieved by differentially allocating the neurogenic competence along the tissue. In the hindbrain proneural gene expression is stereotypically confined in segment boundary-adjacent ...
Arranz Trullén, Javier (Date of defense: 2016-12-02)
La presente tesis doctoral se encuentra integrada dentro del estudio a gran escala de la estructura-función de las ribonucleasas antimicrobianas humanas. Estas proteínas catiónicas y de bajo peso molecular son secretadas ...
Reig Vañó, Belén (Date of defense: 2023-10-23)
La tecnologia d'encapsulació ofereix protecció, estabilitat i una alliberació controlada dels compostos encapsulats. L'alginate és un polisacàrid natural que s'ha aplicat de manera freqüent com a material encapsulant. No ...
Llamas Pámanes, Ernesto (Date of defense: 2017-09-15)
Chloroplasts provide plants with metabolic pathways that are unique among eu- karoytes, including the methylerythritol 4-phosphate pathway (MEP) for the pro- duction of isoprenoids essential for photosynthesis and plant ...