Now showing items 21-40 of 67

    Privacy in microblogging online social networks: issues and metrics 

    Oukemeni, Samia; Rifà Pous, Helena; Marquès Puig, Joan Manuel

    In the era of digital life, privacy is threatened by the rapid expansion of online social media, especially Microblogging Online Social Networks (MOSNs). Whether users are connected in real life or not, microblogging systems ...

    Security threats on EPC based RFID systems 

    García Alfaro, Joaquín; Krakanis, Evangelos; Barbeau, Michel

    We presentan evaluationof threats on the Radio Frequency IDentification (RFID) system of the Electronic Product Code (EPC) Network architecture. We analyze attacks on the communication channel between RFID componentsdue ...

    Towards the construction of a multi-agent approach for discovering the meaning of natural language collaborative conversations 

    Casillas Santillán, Luis Alberto; Daradoumis Haralabus, Atanasi

    Peer-reviewed

    Management of exceptions on access control policies 

    García Alfaro, Joaquín; Cuppens, Frederic; Cuppens, Nora

    Peer-reviewed

    Using Graphs for Exposing the Underlying Competence Design of Academic Degrees 

    Blasco Soplon, Laia; Minguillón Alfonso, Julià

    Open Access Document

    Toward a semantic approach for automatic composition of Learning Grid Services 

    Gutiérrez Carreón, Gustavo; Daradoumis Haralabus, Atanasi; Jorba i Esteve, Josep

    Due to their potential advantages, the use of Grid technologies toward the development of collaborative and personalized learning frameworks has been considerably increased. These learning frameworks can be constructed ...

    Efficient enabling of real time user modeling in on-line campus 

    Caballé Llobet, Santi; Xhafa, Fatos; Daradoumis Haralabus, Atanasi; Fernández Correa, Raúl

    User modelling in on-line distance learning is an important research field focusing on two important aspects: describing and predicting students' actions and intentions as well as adapting the learning process to students' ...

    A Secure Cooperative Sensing Protocol for Cognitive Radio Networks 

    Garrigues Olivella, Carles; Rifà Pous, Helena

    Cognitive radio networks sense spectrum occupancy and manage themselves to operate in unused bands without disturbing licensed users. Spectrum sensing is more accurate if jointly performed by several reliable nodes. Even ...

    Exploring semantic description and matching technologies for enhancing the automatic composition of grid based learning services 

    Gutiérrez Carreón, Gustavo; Jorba i Esteve, Josep; Daradoumis Haralabus, Atanasi

    In the implementation of e-learning frameworks, a problem still unsolved is how to use and integrate low-level learning services to compose more complex high-level services or tools that make sense to both tutors and ...

    Subject recognition using a new approach for feature extraction 

    Masip Rodo, David; Lapedriza Garcia, Àgata; Vitrià, Jordi

    In this paper we propose a feature selection method that uses the mutual information (MI) measure on a Principal Component Analysis (PCA) based decomposition. PCA nds a linear projection of the data in a non-supervised ...

    Seguretat vial a Sant Vicenç dels Horts : anàlisi dels accidents de trànsit del 2014 

    Blanco Correa, Ariadna

    Treball de Fi de Grau en Criminologia i Polítiques Públiques de Prevenció. Curs 2014-2015

    Hacia una nueva identificación electrónica del ciudadano: el DNI-e 

    Crespo Sánchez, Javier; Espinosa García, Javier; Hernández Encinas, Luis; Rifà Pous, Helena; Torres Hernández, Manuel

    El Documento Nacional de Identidad electrónico (DNI-e)pretende proporcionar un mecanismo de identificación al ciudadano español, permitir la firma electrónica de documentos y fomentar la confianza de los españoles en la ...

    An interdomain PKI model based on trust lists 

    Rifà Pous, Helena; Herrera Joancomartí, Jordi

    The penetration of PKI technology in the market is moving slowly due to interoperability concerns. Main causes are not technical but political and social since there is no trust development model that appropriately deals ...

    La introducción del inglés en la docencia y su influencia en los contenidos de las asignaturas de Derecho Financiero y Tributario 

    Vega García, Alberto

    A pesar de que numerosos juristas (jueces, notarios, registradores de la propiedad...) puedan desarrollar/nsu carrera profesional sin necesitar conocer lenguas extranjeras, el dominio del inglés es una competencia/nimprescindible ...

    A survey on incident reporting and management systems 

    Qureshi, Amna; Megías Jiménez, David; Rifà Pous, Helena

    Incident reporting and management systems are used to gather and process information about day-today occurring incidents such as road accidents, domestic violence, burglaries , harassment, etc. Nowadays, citizens can report ...

    La confiança en els Mossos d'Esquadra i la premsa 

    Pascual Pastor, Purificación Teresa

    Treball de Fi de Grau en Criminologia i Polítiques Públiques de Prevenció. Curs 2014-2015

    La reactivació del Tribunal de Contrafaccions de Catalunya durant la guerra 

    Capdeferro i Pla, Josep; Serra i Puig, Eva

    El Tribunal de Contrafaccions fou una institució mixta i paritària, formada per tres jutges de part de la monarquia i tres de part dels braços de la Cort de Catalunya. La seva missió fou defensar a escala suprema, per sobre ...

    Estudio de la percepción de inseguridad ciudadana : datos de la Encuesta de Seguridad Pública, edición 2013 

    Salord Montserrat, Georgina

    Treball de Fi de Grau en Criminologia i Polítiques Públiques de Prevenció. Curs 2014-2015

    Els entorns virtuals d'aprenentatge com escenari Big Data: el cas de la UOC 

    Minguillón Alfonso, Julià; Santanach Delisau, Francesc

    En aquest treball es presenta el laboratori que l'eLearn Center posa a disposició del professorat i investigadors en e-learning de la UOC per al disseny sistemàtic d'experiments sota una perspectiva de Learning Analytics, ...

    Posibles causas de la reducción de la población penitenciaria en España y Cataluña entre 2010 y 2013 : Efecto de la Ley Orgánica 5/2010 sobre esta reducción 

    Rueda Estévez, Erik

    Treball de Fi de Grau en Criminologia i Polítiques Públiques de Prevenció. Curs 2012-2013