• Bridging communications and the physical world 

    Boyaci, Omer; Beltrán Martínez, María Victoria; Schulzrinne, Henning (2012-03-01)
    Article
    Accés restringit per política de l'editorial
    Sense Everything, Control Everything (SECE) is an event-driven system that lets nontechnical users create services that combine communication, location, social networks, presence, calendaring, and physical devices such as ...
  • Bridging communications and the physical world : sense everything, control everything 

    Boyaci, Omer; Beltrán Martínez, María Victoria; Schulzrinne, Henning (2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The SECE (Sense Everything, Control Everything)system allows users to create services that combine communication, calendaring, location and devices in the physical world. SECE is an event-driven system that uses a ...
  • Contributions to presence-based systems for deploying ubiquitous communication services 

    Beltrán Martínez, María Victoria (Universitat Politècnica de Catalunya, 2011-12-16)
    Tesi
    Accés obert
    Next-Generation Networks (NGNs) will converge the existing fixed and wireless networks. These networks rely on the IMS (IP Multimedia Subsystem), introduced by the 3GPP. The presence service came into being in instant ...
  • Design of a UMTS/GPRS Assisted Mesh Network (UAMN) 

    Paradells Aspas, Josep; Ferrer, Josep Lluís; Catalán Cid, María Luisa; Torres, Wilfredo; Catalán Cid, Miguel; Sánchez Loro, Xavier; Beltrán Martínez, María Victoria; García Villegas, Eduard; Gómez C.; Plans, Pau; Rubio, Javier; Almodóvar, Daniel; Rodellar, Daniel; Subotic, N.; Wenger, D.; Steiner, I. (Wireless World Research Forum, 2006-11-15)
    Text en actes de congrés
    Accés obert
    Wireless Mesh or multi-hop networks (WMNs) are well known thanks to its simplicity on deployment and the lack of infrastructure. These two advantages come with some drawbacks. WMNs have limitations with the support of ...
  • Ontology-based user-defined rules and context-aware service composition system 

    Beltrán Martínez, María Victoria; Arabshian, Knarig; Schulzrinne, Henning (Springer, 2012-01)
    Capítol de llibre
    Accés obert
    The World Wide Web is becoming increasingly personalized as users provide more of their information on the Web. Thus, Web service functionality is becoming reliant on user pro le information and context in order to provide ...
  • Optimization of inter-domain presence traffic based on privacy rule sharing: performance and impact on the IMS 

    Beltrán Martínez, María Victoria; Paradells Aspas, Josep (2012)
    Article
    Accés restringit per política de l'editorial
    Presence information was the key enabler of the great success of instant messaging applications. This information was first limited to simple binary states such as online, offline, or busy. However, it is currently evolving ...
  • Redes de comunicaciones : de la telefonía móvil a Internet 

    Beltrán Martínez, María Victoria (Universitat Politècnica de Catalunya, 2010)
    Llibre
    Accés restringit a la comunitat UPC
    Vivimos completamente rodeados por una miríada de dispositivos electrónicos interconectados, que a su vez originan nuevos servicios y nuevas formas de entender y establecer las relaciones sociales. Nuevas palabras y conceptos ...
  • SIP/SIMPLE resource list server : optimization or burden for presence systems 

    Beltrán Martínez, María Victoria; Paradells Aspas, Josep (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Presence information contains all the context about users, services and devices that applications need to take more proactive and intelligent decisions. SIP/SIMPLE is the de facto framework for initiating, managing and ...