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 ...
Aslay, Çiğdem (Date of defense: 2016-12-16)
This thesis constitutes one of the first investigations that lie at the intersection of social influence propagation, viral marketing, and social advertising. The objective of this thesis is to take the ...
Liaghat, Zeinab (Date of defense: 2017-03-09)
Nowadays, the amount of available digital documents is rapidly growing, expanding at a considerable rate and coming from a variety of sources. Sources of unstructured and semi-structured information ...
González-Caro, Cristina (Date of defense: 2011-09-27)
As the Web continues to increase both in size and complexity, Web search is a ubiquitous service that allows users to find all kind of information, resources, and activities. However, as the Web evolves ...
Trevisiol, Michele (Date of defense: 2014-10-15)
This thesis explores in depth how to use the user browsing behavior, and in particular the referrer URL, in order to understand the interest of the users. The aim is, first, to understand the preferences ...
Rello, Luz (Date of defense: 2014-06-27)
Worldwide, 10% of the population has dyslexia, a cognitive disability that reduces readability and comprehension of written information. The goal of this thesis is to make text more accessible for people ...
Olivares Ríos, Ximena (Date of defense: 2011-03-02)
Los sistemas online para compartir fotos proporcionan una valiosa fuente de contenidos generado por el usuario (UGC). La mayor a de los sistemas de re- cuperaci on de im agenes Web utilizan las ...
Tsalouchidou, Ioanna (Date of defense: 2018-10-11)
The objective of this thesis is to provide a temporal analysis of the structural and interaction dynamics of large evolving graphs. In this thesis we propose new definitions of important graph metrics ...
Sáez-Trumper, Diego (Date of defense: 2013-12-05)
The objective of this thesis is to develop novel techniques to find relevant people in Online Social Networks (OSN). To that end, we consider different notions of relevance, taking the point of view of ...
Lehmann, Janette (Date of defense: 2015-02-26)
L’objetiu d’aquesta tesi és aprofundir en el concepte de participació i compromís dels usuaris en pàgines web i analitzar com mesurar aquesta interacció. Comencem estudiant les mètriques del comportament ...