Recent Submissions

  • SMART: An application framework for real time big data analysis on heterogeneous cloud environments 

    Anjos, Julio C.S. dos; Assunção, Marcos D.; Bez, Jean; Geyer, Claudio; Pignaton de Freitas, Edison; Carissimi, Alexandre; Costa, João Paulo C. L.; Fedak, Gilles; Freitag, Fèlix; Markl, Volker; Fergus, Paul; Pereira, Rubem (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
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    The amount of data that human activities generate poses a challenge to current computer systems. Big data processing techniques are evolving to address this challenge, with analysis increasingly being performed using ...
  • Tracking and predicting end-to-end quality in wireless community networks 

    Millán, Pere; Molina Clemente, Carlos Maria; Dimogerontakis, Emmanouil; Navarro Moldes, Leandro; Meseguer Pallarès, Roc; Braem, Bart; Blondia, Chris (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    Community networks are an emergent model with mottos like
  • Deploying clouds in the Guifi community network 

    Baig Viñas, Roger; Dowling, Jim; Escrich, Pau; Freitag, Fèlix; Meseguer Pallarès, Roc; Moll, Agustí; Navarro Moldes, Leandro; Pietrosemoli, Ermanno; Pueyo, Roger; Vlassov, Vladimir; Zennaro, Marco (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    This paper describes an operational geographically distributed and heterogeneous cloud infrastructure with services and applications deployed in the Guifi community network. The presented cloud is a particular case of a ...
  • A behaviour awareness mechanism to support collaborative learning 

    Medina Medina, Esunly; Meseguer Pallarès, Roc; Ochoa, Sergio; Medina, Humberto (Springer, 2015)
    Conference report
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    Awareness has been identified as a key element that affects the quality of collaboration. Several studies indicate that awareness mechanisms to support collaborative learning activities should include factors and stimuli ...
  • OIoT: a platform to manage opportunistic IoT communities 

    López Nuevo, David Andrés; Royo Vallés, María Dolores; Medina Medina, Esunly; Meseguer Pallarès, Roc (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    Opportunistic Internet of Things (IoT) extends the concept of opportunistic networking combining human users carrying mobile devices and smart things. It explores the relationships between humans and the opportunistic ...
  • CoSP: a collaborative sensing platform for mobile applications 

    Medina Medina, Esunly; López Nuevo, David Andrés; Royo Vallés, María Dolores; Meseguer Pallarès, Roc; Ochoa, Sergio (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
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    Smartphones are powerful sensing devices that can help us capture not only information from the environment, but also the users' activities. Based on that information, mobile systems can identify the user's behavioural ...
  • Combing smart grid with community clouds: next generation integrated service platform 

    Sharifi, Leila; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    Collaboration-based distributed systems are becoming more prevalent these days. Two such systems are Community Clouds, where a large number of anonymous private users share their computational resources within the community, ...
  • Energy efficiency dilemma: P2P-cloud vs. datacenter 

    Sharifi, Leila; Rameshan, Navaneeth; Freitag, Fèlix; Veiga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
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    Energy consumption is increasing in the IT sector and a remarkable part of this energy is consumed in data centers. Numerous techniques have been proposed to solve the energy efficiency issue in cloud systems. Recently, ...
  • Stay-Away, protecting sensitive applications from performance interference 

    Rameshan, Navaneeth; Navarro Moldes, Leandro; Monte Moreno, Enrique; Vlassov, Vladimir (Association for Computing Machinery (ACM), 2014)
    Conference report
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    While co-locating virtual machines improves utilization in resource shared environments, the resulting performance interference between VMs is difficult to model or predict. QoS sensitive applications can suffer from ...
  • 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 ...

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