Now showing items 1-20 of 23

    • A new approach to role and position detection in networks 

      Vega d'Aurelio, Davide; Magnani, Matteo; Montesi, Danilo; Meseguer Pallarès, Roc; Freitag, Fèlix (2016-06)
      Article
      Open Access
      We rethink and extend the concepts of position and role in a network, basing them on various well-known measures that were not previously associated with these concepts, such as geodesic distance and modularity. The ...
    • A technological overview of the guifi.net community network 

      Vega d'Aurelio, Davide; Baig Viñas, Roger; Cerdà Alabern, Llorenç; Medina Medina, Esunly; Meseguer Pallarès, Roc; Navarro Moldes, Leandro (2015-12-24)
      Article
      Open Access
      This work presents a technological analysis of guifi.net, a free, neutral, and open-access community network. Guifi.net consists of more than 27,000 operational nodes, which makes it the world’s largest community network ...
    • Analysis of the social effort in multiplex participatory networks 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix (Springer, 2014)
      Conference report
      Open Access
      Community networks are participatory connectivity solutions for citizens where all the resources are owned, managed and controlled by the participants. As a natural evolution, in recent years some initiatives have flourished ...
    • Bandgap widening in macroporous silicon photonic crystals by multiperiodic structures 

      Segura García, Daniel; Cardador Maza, David; Vega d'Aurelio, Davide; Santos Blanco, M. Concepción; Dios Otín, Víctor Federico; Rodríguez Martínez, Ángel (Institute of Physics (IOP), 2018-05-14)
      Article
      Open Access
      Large bandgaps with low transmission in 3D macroporous silicon photonic crystals have been proved as an interesting technology for the development of optical filters and spectroscopic MIR gas sensors. The aim of this study ...
    • Cloud-based extension for Community-Lab 

      Selimi, Mennan; Florit López, Jorge Luis; Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; López Berga, Ester; Khan, Muhammad Amin; Neumann, Axel; Freitag, Fèlix; Navarro Moldes, Leandro; Baig Viñas, Roger; Escrich, Pau; Moll, Agusti; Pueyo, Roguer; Vilalta, Ivan; Aymerich, Marc; Lamora, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Community-Lab is an open, distributed infrastructure for researchers to carry out experiments within wireless community networks. Community networks are an emergent model of infrastructures built with off-the-shelf ...
    • Community home gateways for P2P clouds 

      Escrich, Pau; Baig, Roger; Vilalta, Ivan; Neumann, Axel; Aymerich, Marc; López Berga, Ester; Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Navarro Moldes, Leandro (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference lecture
      Restricted access - publisher's policy
      P2P based clouds built with low-end devices and voluntarily contributed resources have been proposed by several authors. While some work was published on architectures and decentralized P2P-based mechanisms for such clouds, ...
    • Design and implementation of a simulator to explore cooperation in distributed environments 

      Vega d'Aurelio, Davide (Universitat Politècnica de Catalunya, 2010-06-23)
      Master thesis
      Open Access
    • Diseño e implementación de un simulador para explorar la cooperación en entornos distribuidos 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix (2011)
      Conference report
      Open Access
      Los avances tecnológicos en los sistemas de comunicación y computación móviles están impulsando la emergencia de sistemas colaborativos distribuidos. No obstante, la participación de los usuarios se ve frenada por los ...
    • Effort-based incentives for resource sharing in collaborative volunteer applications 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Ochoa, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Conference report
      Restricted access - publisher's policy
      Collaborative and volunteer applications need to implement incentive mechanisms to regulate resource sharing and encourage network nodes to contribute for reaching a certain goal. Typically, these incentive mechanisms ...
    • Enhanced geometries of macroporous silicon photonic crystals for optical gas sensing applications 

      Cardador Maza, David; Vega d'Aurelio, Davide; Segura García, Daniel; Todorov Trifonov, Trifon; Rodriguez, Albert (2017-07-01)
      Article
      Open Access
      A macroporous silicon photonic crystal is designed and optimized theoretically for its use in gas sensing applications and IR optical filters. Light impinges perpendicularly onto the sample surface (vertical propagation) ...
    • Exploring local service allocation in community networks 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Cabrera, Guillem; Marques, Joan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
      Conference report
      Restricted access - publisher's policy
      Community Cloud computing is a new trend on cloud computing that aims to build service infrastructures upon Wireless Community Networks taking advantage of underused community physical resources. Service allocation protocols ...
    • La Factoría de Recursos Docentes de la Biblioteca de la EPSEVG como recurso facilitador de la innovación docente en el aprendizaje de inglés: el proyecto Quantum Leap 

      Bagés, Taïs; Colás Onieva, Silvia; Sunyer Lázaro, Sílvia; Vega d'Aurelio, Davide (Biblioteca de l'EPSEVG, 2007-05-09)
      Conference lecture
      Open Access
    • Incentives for sharing heterogeneous resources in distributed systems : a participatory approach 

      Vega d'Aurelio, Davide (Universitat Politècnica de Catalunya, 2015-12-21)
      Doctoral thesis
      Open Access
      Contributory and volunteer computing ecosystems built around a community of participants need, like any other common-pool resources, an adaptive governance mechanism to guarantee the sustainability of the ecosystem. ...
    • Incentivos basados en el esfuerzo para compartir recursos en aplicaciones colaborativas 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Navarro Moldes, Leandro (2013)
      Conference report
      Restricted access - publisher's policy
      Las aplicaciones colaborativas voluntarias necesitan implementar mecanismos de incentivos para regular la compartición de los recursos y fomentar la contribución de los nodos de la red. Por lo general, estos mecanismos de ...
    • Motivating the non-technical participation in technical communities 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Ochoa, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2015)
      Conference report
      Restricted access - publisher's policy
      Email Print Request Permissions Technical communities are social structures that emerge around the interest of individuals to build and deploy their own technology or communication infrastructure, such as wireless ...
    • Programació i avaluació de la capa de transport per al sistema de visualització distribuïda SAGE 

      Vega d'Aurelio, Davide (Universitat Politècnica de Catalunya, 2008-01)
      Master thesis (pre-Bologna period)
      Restricted access - author's decision
      Covenantee:   Fundació i2cat
      La fundació i2CAT, dins del projecte de recerca V3 (Video, Videoconferència i Visualització en HD), treballa actualment en una solució de videoconferència en Alta Definició que utilitza el software SAGE (Scalable ...
    • Role and position detection in networks: reloaded 

      Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Magnani, Matteo (2015)
      Conference report
      Restricted access - publisher's policy
      Roles and positions are structural components in complex social systems which group actors based on how similarly they are connected to the rest of the actors. Role and position detection methods have been successfully ...
    • Seguridad en código fuente 

      Vega d'Aurelio, Davide (2010-05-20)
      Audiovisual
      Open Access
    • Time series analysis to predict link quality of wireless community networks 

      Millán, Pere; Molina Clemente, Carlos Maria; Medina Medina, Esunly; Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Braem, Bart; Blondia, Chris (2015-12-24)
      Article
      Open Access
      Community networks have emerged under the mottos
    • Towards network-aware service placement in community network micro-clouds 

      Selimi, Mennan; Vega d'Aurelio, Davide; Freitag, Fèlix; Veiga, Luis (Springer, 2016)
      Conference report
      Restricted access - publisher's policy
      Cloud services in community networks have been enabled by micro-cloud providers. They form community network micro-clouds (CNMCs), which grow organically, i.e. without being planned and optimized beforehand. Services running ...