Now showing items 1-20 of 22

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

    Orozco, Javier; Santos, Rodrigo; Ochoa, Sergio; Meseguer Pallarès, Roc; Baloian, Nelson (2014)
    Conference report
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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)
    Article
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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)
    Article
    Open Access
    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 MAC protocol for underwater sensors networks 

    Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc; Eggly, Gabriel (2015)
    Conference report
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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 ...
  • 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)
    Conference report
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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)
    Conference report
    Open Access
    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 ...
  • 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 ...
  • 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
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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)
    Article
    Open Access
    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, ...
  • 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)
    Conference report
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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)
    Conference report
    Open Access
    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) ...
  • Mobile Autonomous Sensing Unit (MASU): a framework that supports distributed pervasive data sensing 

    Medina Medina, Esunly; López Nuevo, David Andrés; Meseguer Pallarès, Roc; Ochoa, Sergio; Royo Vallés, María Dolores; Santos, Rodrigo (2016-07)
    Article
    Open Access
    Pervasive data sensing is a major issue that transverses various research areas and application domains. It allows identifying people’s behaviour and patterns without overwhelming the monitored persons. Although there are ...
  • Modeling IoT-Based solutions using human-centric wireless sensor networks 

    Monares, Alvaro; Ochoa, Sergio; Santos, Rodrigo; Orozco, Javier; Meseguer Pallarès, Roc (2014-08-25)
    Article
    Open Access
    The Internet of Things (IoT) has inspired solutions that are already available for addressing problems in various application scenarios, such as healthcare, security, emergency support and tourism. However, there is no ...
  • 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 ...
  • Providing ubiquitous positioning in outdoor environments 

    Moreno, Daniel; Ochoa, Sergio; Meseguer Pallarès, Roc (2015)
    Conference report
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    Knowing the position of a device at a given time is fundamental to provide services tailored to the current user location. However, not all devices are able to perform positioning by their own, even when positioning systems ...
  • Reducing energy consumption in human-centric wireless sensor networks 

    Meseguer Pallarès, Roc; Molina Clemente, Carlos; Ochoa, Sergio; Santos, Rodrigo (2012)
    Conference report
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    Energy consumption is a main research issue in wireless sensor networks; and particularly in those where nodes collaborate to reach a goal. This article explores the energy consumption in mobile devices participating ...
  • Situated micro-displays for activity-aware systems 

    Medina Medina, Esunly; Kawsar, Fahim; Meseguer Pallarès, Roc; Ochoa, Sergio (Springer, 2014)
    Conference report
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    Most activity-aware systems designed to support mobile workers in dynamic environments, such as hospitals or industrial plants, typically consider the use of mobile devices and large displays. However, we envision potential ...
  • The Internet of things to support urban incident responses 

    Santos, Rodrigo; Orozco, Javier; Ochoa, Sergio; Meseguer Pallarès, Roc (Springer, 2013)
    Conference report
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    Although the technological components required to implement Internet of Things (IoT) inspired solutions are already available, in most application scenarios it is not clear how to structure and combine them to reach a ...
  • Understanding collaboration in volunteer computing systems 

    Vega d'Aurelio, Davide; Meseguer Pallarès, Roc; Freitag, Fèlix; Ochoa, Sergio (2014-11)
    Article
    Open Access
    Volunteer computing is a paradigm in which devices participating in a distributed environment share part of their resources to help others perform their activities. The effectiveness of this computing paradigm depends on ...