Exploració per autor "Parra Arnau, Javier"
Ara es mostren els items 1-20 de 46
-
A collaborative protocol for anonymous reporting in vehicular ad hoc networks
Tripp Barba, Carolina; Urquiza Aguiar, Luis; Aguilar Igartua, Mónica; Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge; Pallarès Segarra, Esteve (Elsevier, 2013-11-01)
Article
Accés restringit per política de l'editorialVehicular ad hoc networks (VANETs) have emerged to leverage the power of modern communication technologies, applied to both vehicles and infrastructure. Allowing drivers to report traffic accidents and violations through ... -
A LINDDUN-based framework for privacy threat analysis on identification and authentication processes
Robles González, Antonio; Parra Arnau, Javier; Forné Muñoz, Jorge (2020)
Article
Accés obertIdentification and authentication (IA) are security procedures that are ubiquitous in our online life, and that constantly require disclosing personal, sensitive information to non-fully trusted service providers, or to ... -
A measurement study of online tracking and advertising in Ibero-America
Estrada Jiménez, José Antonio; Parra Arnau, Javier; Rodríguez Hoyos, Ana Fernanda; Forné Muñoz, Jorge; Pallarès Segarra, Esteve (Institute of Electrical and Electronics Engineers (IEEE), 2021)
Article
Accés obertThe ability of the online marketing industry to track and pro le users' Web-browsing activity is what enables effective, tailored-made advertising services. The intrusiveness of these practices and the increasing ... -
A privacy-preserving architecture for the semantic web based on tag suppression
Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (Springer, 2010)
Text en actes de congrés
Accés restringit per política de l'editorialWe propose an architecture that preserves user privacy in the semantic Web via tag suppression. In tag suppression, users may wish to tag some resources and refrain from tagging some others in order to hinder privacy ... -
A privacy-protecting architecture for collaborative filtering via forgery and suppression of ratings
Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (Springer, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialRecommendation systems are information-filtering systems that help users deal with information overload. Unfortunately, current recommendation systems prompt serious privacy concerns. In this work, we propose an architecture ... -
A privacy-protecting architecture for collaborative filtering via forgery and suppression of ratings
Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (2012)
Article
Accés restringit per política de l'editorialRecommendation systems are information-filtering systems that help users deal with information overload. Unfortunately, current recommendation systems prompt serious privacy concerns. In this work, we propose an architecture ... -
A privacy-protecting architecture for recommendation systems via the suppression of ratings
Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (2012-04)
Article
Accés restringit per política de l'editorialRecommendation systems are information-filtering systems that help users deal with information overload. Unfortunately, current recommendation systems prompt serious privacy concerns. In this work, we propose an architecture ... -
A survey of the role of viewability within the online advertising ecosystem
Expósito Ventura, Marta; Ruipérez Valiente, José A.; Parra Arnau, Javier; Forné Muñoz, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2021-09-27)
Article
Accés obertWithin the online advertising ecosystem, viewability is defined as the metric that measures if an ad impression had the chance of being viewable by a potential consumer. Although this metric has been presented as a potential ... -
An adversarial-risk-analysis approach to counterterrorist online surveillance
Gil Espinasa, César; Parra Arnau, Javier (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-24)
Article
Accés obertThe Internet, with the rise of the IoT, is one of the most powerful means of propagating a terrorist threat, and at the same time the perfect environment for deploying ubiquitous online surveillance systems.This paper ... -
Anonymizing trajectory data: limitations and opportunities
Guerra Balboa, Patricia; Miranda Pascual, Àlex; Parra Arnau, Javier; Forné Muñoz, Jorge; Strufe, Thorsten (AAAI Press (Association for the Advancement of Artificial Intelligence), 2022)
Comunicació de congrés
Accés restringit per política de l'editorialA variety of conditions and limiting properties complicate the anonymization of trajectory data, since they are sequential, high-dimensional, bound to geophysical restrictions and easily mapped to semantic points of interest ... -
Categorization of bibsonomy tags to apply privacy-preserving mechanisms.
Parra Arnau, Javier; Rebollo Monedero, David; Forné Muñoz, Jorge (2012-07-24)
Altres
Accés obertIn this technical report, we approach one of the practical aspects when it comes to represent users' interests from their tagging activity, namely the categorization of tags into high-level categories of interest. The ... -
Differentially private data publishing via cross-moment microaggregation
Parra Arnau, Javier; Domingo Ferrer, Josep; Soria Comas, Jordi (Elsevier, 2020-01)
Article
Accés obertDifferential privacy is one of the most prominent privacy notions in the field of anonymization. However, its strong privacy guarantees very often come at the expense of significantly degrading the utility of the protected ... -
Differentially private publication of database streams via hybrid video coding
Parra Arnau, Javier; Strufe, Thorsten; Domingo Ferrer, Josep (2022-07-08)
Article
Accés obertWhile most anonymization technology available today is designed for static and small data, the current picture is of massive volumes of dynamic data arriving at unprecedented velocities. From the standpoint of anonymization, ... -
Digital hyper-transparency: leading e-government against privacy
Rodríguez Hoyos, Ana; Estrada Jiménez, José; Urquiza Aguiar, Luis; Parra Arnau, Javier; Forné Muñoz, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Comunicació de congrés
Accés obertFor a long time, the Internet and web technologies have supported a more fluid interaction between public institutions and citizens through e-government. With this spirit, several public services are being offered online. ... -
Does k-anonymous microaggregation affect machine-learned macrotrends?
Rodríguez Hoyos, Ana; Estrada Jiménez, José; Rebollo Monedero, David; Parra Arnau, Javier; Forné Muñoz, Jorge (Institute of Electrical and Electronics Engineers (IEEE), 2018-05-16)
Article
Accés obertn the era of big data, the availability of massive amounts of information makes privacy protection more necessary than ever. Among a variety of anonymization mechanisms, microaggregation is a common approach to satisfy the ... -
Entropy-based privacy against profiling of user mobility
Rodriguez Carrion, Alicia; Rebollo Monedero, David; Fornés Guardia, Jordi; Campo Vazquez, Celeste; García Rubio, Carlos; Parra Arnau, Javier; Das, Sajal K (2015-06-01)
Article
Accés obertLocation-based services (LBSs) flood mobile phones nowadays, but their use poses an evident privacy risk. The locations accompanying the LBS queries can be exploited by the LBS provider to build the user profile of visited ... -
Fine-grained control over tracking to support the ad-based web economy
Achara, Jagdish Prasad; Parra Arnau, Javier; Castelluccia, Claude (2018-09-30)
Article
Accés obertThe intrusiveness of Web tracking and the increasing invasiveness of digital advertising have raised serious concerns regarding user privacy and Web usability, leading a substantial chunk of the populace to adopt ad-blocking ... -
Generación sintética de trayectorias mediante aprendizaje profundo con garantías de privacidad diferencial
Rubio Jornet, Víctor; Parra Arnau, Javier; Forné Muñoz, Jorge (Jornadas de Ingeniería Telemática (JITEL), 2023)
Comunicació de congrés
Accés obertLa generación sintética de trayectorias es cru- cial para poder realizar estudios y análisis en diferentes campos, como la movilidad urbana, los protocolos de redes móviles, la epidemiología computacional o la simulación ... -
Hierarchical categorisation of tags for delicious
Parra Arnau, Javier; Perego, Andrea; Ferrari, Elena; Forné Muñoz, Jorge; Rebollo Monedero, David (2012)
Altres
Accés obertIn the scenario of social bookmarking, a user browsing the Web bookmarks web pages and assigns free-text labels (i.e., tags) to them according to their personal preferences. In this technical report, we approach one of ... -
Hierarchical categorisation of web tags for Delicious
Parra Arnau, Javier; Perego, Andrea; Ferrari, Elena; Forné Muñoz, Jorge; Rebollo Monedero, David (2011-11-11)
Report de recerca
Accés obertIn the scenario of social bookmarking, a user browsing the Web bookmarks web pages and assigns free-text labels (i.e., tags) to them according to their personal preferences. The benefits of social tagging are clear – tags ...