Exploració per autor "Ochoa, Sergio"

Ara es mostren els items 1-20 de 38

    • A behaviour awareness mechanism to support collaborative learning 

      Medina Medina, Esunly; Meseguer Pallarès, Roc; Ochoa, Sergio; Medina, Humberto (Springer, 2015)
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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 ...

    • A clinically assisted collaborative system architecture for preventing falls in elderly people 

      Orozco, Javier; Santos, Rodrigo; Ochoa, Sergio; Meseguer Pallarès, Roc; Baloian, Nelson (2014)
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      Falls in older adults are not only frequent but also potentially disabling for them. Detecting and preventing these falls have an important impact in the life of the elderly people. This paper presents the architecture ...

    • A communication infrastructure to ease the development of mobile collaborative applications 

      Rodríguez-Covili, Juan Francisco; Ochoa, Sergio; Pino, José; Meseguer Pallarès, Roc; Medina Medina, Esunly; Royo Vallés, María Dolores (2011)
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      Mobile workers doing loosely coupled activities typically perform on demand collaboration in the physical workplace. Communication services available in such work scenarios are uncertain, therefore mobile collaborative ...

    • A context-aware model to provide positioning in disaster relief scenarios 

      Moreno, Daniel; Ochoa, Sergio; Meseguer Pallarès, Roc (2015-10-01)
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      The effectiveness of the work performed during disaster relief efforts is highly dependent on the coordination of activities conducted by the first responders deployed in the affected area. Such coordination, in turn, ...

    • A LoRa-Based communication system for coordinated response in an earthquake Aftermath 

      Pueyo Centelles, Roger; Freitag, Fèlix; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Santos, Rodrigo M. (MDPI, 2019)
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      The response conducted by emergency units after natural disasters, such as earthquakes, has to be coordinated, fast, and efficient in order to rescue and care for the victims, keeping all the population—and the units ...

    • A MAC protocol for underwater sensors networks 

      Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc; Eggly, Gabriel (2015)
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      Underwater sensor networks are becoming an important field of research, because of its everyday increasing application scope. Examples of their application areas are environmental and pollution monitoring (mainly oil ...

    • A MAC protocol to support monitoring of underwater spaces 

      Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc; Eggly, Gabriel; Pistonesi, Marcelo (2016-06-27)
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      Underwater sensor networks are becoming an important field of research, because of their everyday increasing application scope. Examples of their application areas are environmental and pollution monitoring (mainly oil ...

    • A role-based software architecture to support mobile service computing in IoT scenarios 

      Finochietto, Mariano; Eggly, Gabriel; Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc (Multidisciplinary Digital Publishing Institute (MDPI), 2019-11-05)
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      The interaction among components of an IoT-based system usually requires using low latency or real time for message delivery, depending on the application needs and the quality of the communication links among the components. ...

    • A stochastic approach for modeling message dissemination in opportunistic networks 

      Orozco, Javier; Santos, Rodrigo; Meseguer Pallarès, Roc; Ochoa, Sergio (2017-11)
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      The opportunistic networks have shown to be an interesting communication infrastructure for supporting mobile collaborative systems in several application scenarios like disaster relief efforts, hospital work and tourism. ...

    • Building Real-World Ad-Hoc Networks to Support Mobile Collaborative Applications: Lessons Learned 

      Meseguer Pallarès, Roc; Ochoa, Sergio; Pino, José; Medina Medina, Esunly; Navarro Moldes, Leandro; Royo Vallés, María Dolores; Neyem, Andres (Springer Berlin / Heidelberg, 2009-09)
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      Mobile collaboration is required in several work scenarios, i.e. education, healthcare, business and disaster relief. The features and capabilities of the communication infrastructure used by mobile collaborative ...

    • Communication and coordination patterns to support mobile collaboration 

      Meseguer Pallarès, Roc; Ochoa, Sergio; Pino, José; Navarro Moldes, Leandro; Neyem, Andres (2008-06-10)
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      Wireless communication and mobile computing technologies have brought new opportunities and challenges to the CSCW area. Traditional CSCW solutions concerning communication and coordination support are not applicable ...

    • Community sharing of spare network capacity 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (IEEE Press, 2017)
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      In several community scenarios, people share benevolently their spare broadband Internet access connectivity with other people who cannot afford it. Although laudable, this sharing process can negatively affect the service ...

    • 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)
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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 ...

    • Design trade-offs of crowdsourced web access in community networks 

      Dimogerontakis, Emmanouil; Meseguer Pallarès, Roc; Navarro Moldes, Leandro; Ochoa, Sergio; Veiga, Luis (2017)
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      Internet access has become a requirement to participate in society; however, the majority of the world’s population is not yet online. Citizens can self-organize cooperatively to crowdsource community network infrastructures ...

    • 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)
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      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 ...

    • Energy-aware topology control strategy for human-centric wireless sensor networks 

      Meseguer Pallarès, Roc; Molina, Carlos; Ochoa, Sergio; Santos, Rodrigo (2014-02-07)
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      The adoption of mobile and ubiquitous solutions that involve participatory or opportunistic sensing increases every day. This situation has highlighted the relevance of optimizing the energy consumption of these solutions, ...

    • Flying real-time network for disaster assistance 

      Santos, Rodrigo; Orozco, Javier; Mossé, Daniel; Petrucci, Vinicius; Ochoa, Sergio; Meseguer Pallarès, Roc (2017)
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      Landslides and large floods are serious natural disasters that every year cause multiple deaths and loss in property around the world. When these events occur in areas like the “favelas” or mountain regions in coastal ...

    • Flying real-time network to coordinate disaster relief activities in urban areas 

      Micheletto, Matías; Petrucci, Vinicius; Santos, Rodrigo; Orozco, Javier; Mossé, Daniel; Ochoa, Sergio; Meseguer Pallarès, Roc (Multidisciplinary Digital Publishing Institute (MDPI), 2018-05-22)
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      While there have been important advances within wireless communication technology, the provision of communication support during disaster relief activities remains an open issue. The literature in disaster research reports ...

    • Geo-localized messages irradiation using smartphones: An energy consumption analysis 

      Moreno, Daniel; Ochoa, Sergio; Santos, Rodrigo; Meseguer Pallarès, Roc (Institute of Electrical and Electronics Engineers (IEEE), 2013)
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      The widespread availability of smartphones with wireless communication and geo-positioning capabilities has open new opportunities to services for casual passersby, e.g. the delivery of advertising when they visit a certain ...

    • HLMP API: A software library to support the development of mobile collaborative applications 

      Rodríguez-Covili, Juan Francisco; Ochoa, Sergio; Pino, José; Meseguer Pallarès, Roc; Medina Medina, Esunly; Royo Vallés, María Dolores (2010-05-24)
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      Mobile collaborative applications are usually deployed in work scenarios where the existence of fixed communication infrastructure is hard to predict. For that reason, these applications use Mobile Ad hoc Networks (MANETs) ...