Ara es mostren els items 21-40 de 46

    • La publicación de trayectorias: un estudio sobre la protección de la privacidad 

      Guerra Balboa, Patricia; Miranda Pascual, Àlex; Parra Arnau, Javier; Forné Muñoz, Jorge; Strufe, Thorsten (Universidad de Cantabria, 2022)
      Text en actes de congrés
      Accés obert
      El analisis de las trayectorias encierra numerosas ´ promesas, desde mejoras en la gestion del tr ´ afico hasta recomen- ´ daciones de ruta, o incluso en el desarrollo de infraestructuras. Sin embargo, conocer los lugares ...
    • Measuring online tracking and privacy risks on Ecuadorian websites 

      Estrada Jiménez, José Antonio; Rodríguez Hoyos, Ana Fernanda; Parra Arnau, Javier; Forné Muñoz, Jorge (2019)
      Comunicació de congrés
      Accés obert
      Online tracking has become a great enabler of massive surveillance so it is now a critical vector for threatening the privacy of users. Despite the benefits of online tracking for personalized advertising, the complexity ...
    • Measuring the privacy of user profiles in personalized information systems 

      Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (Elsevier, 2014-04-01)
      Article
      Accés restringit per política de l'editorial
      Personalized information systems are information-filtering systems that endeavor to tailor information-exchange functionality to the specific interests of their users. The ability of these systems to profile users is, on ...
    • Mecanismo para evitar ataques por confabulación basados en code passing 

      Jáimez Moruno, Marc; Esparza Martín, Óscar; Hernández Gañán, Carlos; Parra Arnau, Javier (2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Los agentes móviles son entidades software formadas por código, datos, itinerario y estado, que pueden migrar de host en host autónomamente ejecutando su código. A pesar de sus ventajas, los aspectos de seguridad restringen ...
    • Medición de la privacidad de perfiles de usuario mediante un add-on de navegador 

      Estrada, Jose; Rodríguez, Ana; Parra Arnau, Javier; Forné Muñoz, Jorge; Rebollo Monedero, David (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Actualmente, la monitorización de los usuarios en Internet es permanente, y la información obtenida en este proceso es de enorme interés para grandes compañías de publicidad e incluso gobiernos. Además, la gran cantidad ...
    • MOBILYTICS project 

      Parra Arnau, Javier (2023-05-11)
      Comunicació de congrés
      Accés obert
    • MyAdChoices: bringing transparency and control to online advertising 

      Parra Arnau, Javier; Achara, Jagdish Prasad; Castelluccia, Claude (2017-03)
      Article
      Accés obert
      The intrusiveness and the increasing invasiveness of online advertising have, in the last few years, raised serious concerns regarding user privacy and Web usability. As a reaction to these concerns, we have witnessed the ...
    • Nuevo criterio para la estimación de información de estado de certificados en MANET 

      Muñoz Tapia, José Luis; Parra Arnau, Javier; Hernández Gañán, Carlos; Jáimez Moruno, Marc (Universidad Politécnica de Cartagena, 2009)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In general, certificate status validation is a critical operation but it is particularly complex in Mobile Ad-hoc Networks (MANETs). MANET users require solutions to manage both the lack of fixed infrastructure inside ...
    • Nuevo criterio para la estimación de información de estado de certificados en MANET 

      Parra Arnau, Javier (Universitat Politècnica de Catalunya, 2009)
      Projecte Final de Màster Oficial
      Accés obert
      En general, la validación del estado de certificados es una operación crítica, que adquiere una mayor complejidad en las redes móviles ad-hoc (Mobile Ad-hoc Networks, MANETs). Los usuarios de las redes MANET precisan ...
    • On the cost-effectiveness of mass surveillance 

      Parra Arnau, Javier; Castelluccia, Claude (Institute of Electrical and Electronics Engineers (IEEE), 2018-08)
      Article
      Accés obert
      In recent times, we have witnessed an increasing concern by governments and intelligence agencies to deploy mass-surveillance systems that help them fight terrorism. Although a government may be perfectly legitimate to do ...
    • On the measurement of privacy as an attacker's estimation error 

      Rebollo Monedero, David; Parra Arnau, Javier; Diaz, Claudia; Forné Muñoz, Jorge (2012)
      Article
      Accés obert
      A wide variety of privacy metrics have been proposed in the literature to evaluate the level of protection offered by privacy enhancing-technologies. Most of these metrics are specific to concrete systems and adversarial ...
    • On the privacy–utility trade-off in differentially private hierarchical text classification 

      Wunderlich, Dominik; Bernau, Daniel; Aldà, Francesco; Parra Arnau, Javier; Strufe, Thorsten (Multidisciplinary Digital Publishing Institute, 2022-11-04)
      Article
      Accés obert
      Hierarchical text classification consists of classifying text documents into a hierarchy of classes and sub-classes. Although Artificial Neural Networks have proved useful to perform this task, unfortunately, they can leak ...
    • On the regulation of personal data distribution in online advertising platforms 

      Estrada Jiménez, José Antonio; Parra Arnau, Javier; Rodríguez Hoyos, Ana Fernanda; Forné Muñoz, Jorge (Elsevier, 2019-03)
      Article
      Accés obert
      Online tracking is the key enabling technology of modern online advertising. In the recently established model of real-time bidding (RTB), the web pages tracked by ad platforms are shared with advertising agencies (also ...
    • Online advertising: analysis of privacy threats and protection approaches 

      Estrada, José; Parra Arnau, Javier; Rodríguez Hoyos, Ana Fernanda; Forné Muñoz, Jorge (2016-12-27)
      Article
      Accés obert
      Online advertising, the pillar of the “free” content on the Web, has revolutionized the marketing business in recent years by creating a myriad of new opportunities for advertisers to reach potential customers. The current ...
    • Optimized, direct sale of privacy in personal data marketplaces 

      Parra Arnau, Javier (2018-01)
      Article
      Accés obert
      Very recently, we are witnessing the emergence of a number of start-ups that enables individuals to sell their private data directly to brokers and businesses. While this new paradigm may shift the balance of power between ...
    • Optimizing the design parameters of threshold pool mixes for anonymity and delay 

      Rebollo Monedero, David; Parra Arnau, Javier; Forné Muñoz, Jorge; Díaz Martínez, María Claudia (2014-07-04)
      Article
      Accés restringit per política de l'editorial
      The provision of content confidentiality via message encryption is by no means sufficient when facing the significant privacy risks present in online communications. Indeed, the privacy literature abounds with examples of ...
    • Pay-per-tracking: a collaborative masking model for web browsing 

      Parra Arnau, Javier (2017-04)
      Article
      Accés obert
      Web tracking is the key enabling technology of modern online advertising and, at the same time, the source of serious privacy concerns. In recent years, we have witnessed the emergence of a variety of technologies whose ...
    • PKIX Certificate Status in Hybrid MANETs 

      Muñoz Tapia, José Luis; Esparza Martín, Óscar; Hernández Gañán, Carlos; Parra Arnau, Javier (Springer Berlin / Heidelberg, 2009)
      Text en actes de congrés
      Accés obert
      Certificate status validation is a hard problem in general but it is particularly complex in Mobile Ad-hoc Networks (MANETs) because we require solutions to manage both the lack of fixed infrastructure inside the MANET and ...
    • Privacy protection of user profiles in personalized information systems 

      Parra Arnau, Javier (Universitat Politècnica de Catalunya, 2013-12-02)
      Tesi
      Accés obert
      In recent times we are witnessing the emergence of a wide variety of information systems that tailor the information-exchange functionality to meet the specific interests of their users. Most of these personalized information ...
    • Privacy protection of user profiles in personalized information systems 

      Parra Arnau, Javier; Forné Muñoz, Jorge; Rebollo Monedero, David (2012)
      Text en actes de congrés
      Accés obert