Visualitza per autor "Baeza-Yates, Ricardo"

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  • Graells-Garrido, Eduardo (Universitat Pompeu Fabra, 2015-05-25)
    Las tendencias actuales en la Web apuntan hacia la personalización de contenido, lo que no sería un/nproblema en un mundo uniforme y sin sesgos, pero nuestro mundo no es ni uniforme ni libre de/nsesgos. En esta tesis ...
  • Martin, David; Aiello, Luca Maria; Grabowicz, Przemyslaw; Jaimes, Alejandro; Baeza-Yates, Ricardo (SpringerOpen, 2014)
    Social groups play a crucial role in online social media because they form the basis for user participation and engagement. Although widely studied in their static and evolutionary aspects, no much attention has been devoted ...
  • Chiarandini, Luca (Universitat Pompeu Fabra, 2014-10-13)
    This thesis focuses on the analysis and modeling of web sessions, groups of requests made by a single user for a single navigation purpose.Understanding how people browse through websites is important, helping us to improve ...
  • Rello, Luz (Universitat Pompeu Fabra, 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 with dyslexia by ...
  • Trevisiol, Michele (Universitat Pompeu Fabra, 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 of the users from ...
  • Sáez-Trumper, Diego (Universitat Pompeu Fabra, 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 the OSN providers ...
  • Lehmann, Janette (Universitat Pompeu Fabra, 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 online, les quals ...
  • Olivares Ríos, Ximena (Universitat Pompeu Fabra, 2011-03-02)
    Los sistemas online para compartir fotos proporcionan una valiosa fuente decontenidos generado por el usuario (UGC). La mayor a de los sistemas de re-cuperaci on de im agenes Web utilizan las anotaciones textuales para ...
  • Mehmood, Yasir (Universitat Pompeu Fabra, 2016-04-22)
    This thesis studies the roles of individuals and groups in the propagation of information/nin social networks. The primary aim is to investigate how users and groups/nimpact information propagation and vice versa. In order ...
  • Nilo, Ricardo; Saffie, Carlos; Lilley, Kathryn; Baeza-Yates, Ricardo; Cambiazo, Verónica; Campos Vargas, Reinaldo; González, Mauricio; Meisel, Lee A.; Retamales, Julio; Silva, Herman; Orellana, Ariel (BioMed Central, 2010)
    Background: Peach fruit undergoes a rapid softening process that involves a number of metabolic changes. Storing fruit at low temperatures has been widely used to extend its postharvest life. However, this leads to undesired ...
  • Poblete Labra, Bárbara (Universitat Pompeu Fabra, 2009-10-01)
    El objetivo de esta tesis es estudiar diferentes aplicaciones de la minería de consultas Web para mejorar el ranking en motores de búsqueda, mejorar la recuperación de información en la Web y mejorar los sitios Web. La ...
  • González-Caro, Cristina (Universitat Pompeu Fabra, 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 so do the needs of ...
  • Calderón-Benavides, Liliana (Universitat Pompeu Fabra, 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 ...
  • García-Gavilanes, Ruth Olimpia (Universitat Pompeu Fabra, 2015-02-26)
    The main objective of this thesis is to carry out a multidisciplinary study of the behavior of microblog users. To that end we first explore several user behavior patterns employing data mining techniques. Then we use ...
  • Pascual Cid, Victor (Universitat Pompeu Fabra, 2010-12-20)
    El gran volumen de datos que las técnicas de minería Web generan sobre espacios Web puedellegar a ser muy difícil de entender, provocando la necesidad de desarrollar nuevas técnicas quepermitan generar conocimiento sobre ...