Enviaments recents

  • Enhanced multiclass SVM with thresholding fusion for speech-based emotion classification 

    Yang, Na; Yuan, Jianbo; Zhou, Yun; Seyfettin Demirkol, Ilker; Duan, Zhiyao; Heinzelman, Wendi; Sturge Apple, Melissa L. (2017-03-01)
    Article
    Accés restringit per política de l'editorial
    As an essential approach to understanding human interactions, emotion classification is a vital component of behavioral studies as well as being important in the design of context-aware systems. Recent studies have shown ...
  • Making data centres fit for demand response: introducing GreenSDA and GreenSLA contracts 

    Basmadjian, Robert; Botero Vega, Juan Felipe; Giuliani, Giovanni; Hesselbach Serra, Xavier; Klingert, Sonja; de Meer, Hermann (2016-11-23)
    Article
    Accés obert
    The power grid has become a critical infrastructure, which modern society cannot do without. It has always been a challenge to keep power supply and demand in balance; the more so with the recent rise of intermittent ...
  • Providing reliable services over wireless networks using a low overhead random linear coding scheme 

    Garrido Ortíz, Pablo; Gómez, David; Lanza, Jorge; Serrat Fernández, Juan; Agüero Calvo, Ramón (2016-04-30)
    Article
    Accés obert
    In this work, we propose a novel intra-flow network coding solution, which is based on the combination of a low overhead Random Linear Coding (RLC) scheme and UDP, to offer a reliable communication service. In the initial ...
  • Evaluación del impacto de la cooperación universidad-empresa en la docencia de una asignatura de Ingeniería telemática 

    Oller Arcas, Antonio; García Villegas, Eduard; Gallardo Gómez, Antonia; Fuentes, Jorge (2016-12-07)
    Article
    Accés obert
    La EETAC (escuela de ingeniería en telecomunicaciones y aerospacial de Castelldefels) es una escuela pionera en la Universidad politécnica por sus metodologías docentes. Este trabajo muestra la experiencia de una colaboración ...
  • On the feasibility of collaborative green data center ecosystems 

    Agustí Torra, Anna; Raspall Chaure, Frederic; Remondo Bueno, David; Rincón Rivera, David; Giuliani, Giovanni (Elsevier, 2015-02-01)
    Article
    Accés obert
    The increasing awareness of the impact of the IT sector on the environment, together with economic factors, have fueled many research efforts to reduce the energy expenditure of data centers. Recent work proposes to achieve ...
  • On web user tracking of browsing patterns for personalised advertising 

    Puglisi, Silvia; Rebollo Monedero, David; Forné Muñoz, Jorge (2017-02-19)
    Article
    Accés restringit per política de l'editorial
    On today’s Web, users trade access to their private data for content and services. App and service providers want to know everything they can about their users, in order to improve their product experience. Also, advertising ...
  • Opportunistic sensor data collection with bluetooth low energy 

    Aguilar, Sergio; Vidal Ferre, Rafael; Gómez Montenegro, Carlos (2017-01-23)
    Article
    Accés obert
    Bluetooth Low Energy (BLE) has gained very high momentum, as witnessed by its widespread presence in smartphones, wearables and other consumer electronics devices. This fact can be leveraged to carry out opportunistic ...
  • CoAP congestion control for the Internet of Things 

    Betzler, August; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (2016-07)
    Article
    Accés obert
    CoAP is a lightweight RESTful application layer protocol devised for the IoT. Operating on top of UDP, CoAP must handle congestion control by itself. The core CoAP specification defines a basic congestion control mechanism, ...
  • Experimental evaluation of congestion control for CoAP communications without end-to-end reliability 

    Betzler, August; Isern, Javier; Gómez Montenegro, Carlos; Seyfettin Demirkol, Ilker; Paradells Aspas, Josep (Elsevier, 2016-12-01)
    Article
    Accés restringit per política de l'editorial
    The Constrained Application Protocol (CoAP) has been designed by the Internet Engineering Task Force (IETF) for Internet of Things (IoT) communications. CoAP is a lightweight, request/response-based RESTful protocol that ...
  • p-probabilistic k-anonymous microaggregation for the anonymization of surveys with uncertain participation 

    Rebollo Monedero, David; Forné Muñoz, Jorge; Soriano Ibáñez, Miguel; Puiggalí Allepuz, Jordi (2016-12-13)
    Article
    Accés restringit per política de l'editorial
    We develop a probabilistic variant of k-anonymous microaggregation which we term p-probabilistic resorting to a statistical model of respondent participation in order to aggregate quasi-identifiers in such a manner that ...

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