Now showing items 1-20 of 22

  • A fuzzy-based approach for classifying students' emotional states in online collaborative work 

    Arguedas, Marta; Casillas, Luis; Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Peña, Adriana; Caballé Llobet, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    Emotion awareness is becoming a key aspect in collaborative work at academia, enterprises and organizations that use collaborative group work in their activity. Due to pervasiveness of ICT's, most of collaboration can be ...
  • A grid-based approach for processing group activity log files 

    Xhafa Xhafa, Fatos; Caballé Llobet, Santiago; Daradoumis, Thanasis; Zhou, Nan (Springer, 2004)
    Conference report
    Open Access
    The information collected regarding group activity in a collaborative learning environment requires classifying, structuring and processing. The aim is to process this information in order to extract, reveal and provide ...
  • A model for providing emotion awareness and feedback using fuzzy logic in online learning 

    Arguedas, Marta; Xhafa Xhafa, Fatos; Casillas, Luis; Daradoumis, Thanasis; Peña, Adriana; Caballé Llobet, Santiago (Springer, 2016-10-20)
    Article
    Open Access
    Monitoring users’ emotive states and using that information for providing feedback and scaffolding is crucial. In the learning context, emotions can be used to increase students’ attention as well as to improve memory and ...
  • An experimental study on peer selection in a P2P network over PlanetLab 

    Xhafa Xhafa, Fatos; Barolli, Leonard; Fernandez Correa, Raul; Daradoumis, Thanasis (Institute of Electrical and Electronics Engineers (IEEE), 2007)
    Conference report
    Open Access
    Peer selection is an important aspect in many P2P applications requiring efficient assignment and execution of jobs to peer nodes and search and file transfer, among others. Due to increasing interest of using P2P systems ...
  • An integrated approach for analysing and assessing the performance of virtual learning groups 

    Daradoumis, Thanasis; Martínez-Monés, Alejandra; Xhafa Xhafa, Fatos (Springer, 2004)
    Conference report
    Open Access
    Collaborative distance learning involves a variety of elements and factors that have to be considered and measured in order to analyse and assess group and individual performance more effectively and objectively. This paper ...
  • A review on massive e-learning (MOOC) design, delivery and assessment 

    Daradoumis, Thanasis; Bassi, Roxana; Xhafa Xhafa, Fatos; Caballé Llobet, Santiago (Institute of Electrical and Electronics Engineers (IEEE), 2013)
    Conference report
    Open Access
    MOOCs or Massive Online Open Courses based on Open Educational Resources (OER) might be one of the most versatile ways to offer access to quality education, especially for those residing in far or disadvantaged areas. This ...
  • A study of using SmartBox to embed emotion awareness through stimulation into e-learning environments 

    Caballé Llobet, Santiago; Barolli, Leonard; Feidakis, Michalis; Matsuo, Keita; Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Oda, Tetsuya (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    Emotions strongly influence human's behavior in individual and social situations and must be seriously considered in any human activity, such as e-Learning. Indeed, the embedding of emotional awareness features into virtual ...
  • Developing an information system for monitoring student's activity in online collaborative learning 

    Juan Pérez, Ángel Alejandro; Daradoumis, Thanasis; Faulín Fajardo, Francisco Javier; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    In this paper we address the issue of monitoring students’ and groups’ activity in online collaborative learning environments. This issue is especially important in the collaborative e-learning context, since an efficient ...
  • Efficient embedding of information and knowledge into CSCL applications 

    Caballé Llobet, Santiago; Daradoumis, Thanasis; Xhafa Xhafa, Fatos (Springer, 2007)
    Conference report
    Open Access
    This study aims to explore two crucial aspects of collaborative work and learning: the importance of enabling CSCL applications, on the one hand, to capture and structure the information generated by group activity and, ...
  • Efficient interaction analysis for an effective provision of knowledge about the discussion process to CSCL practices 

    Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Abraham, Ajith (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    The discussion process plays an important social task in Computer-Supported Collaborative Learning (CSCL) where participants can discuss about the activity being performed, collaborate with each other through the exchange ...
  • Efficient peer selection in P2P JXTA-based platforms 

    Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Barolli, Leonard; Fernandez Correa, Raul; Caballé Llobet, Santiago; Kolici, Vladi (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    P2P systems are nowadays being used not only for file sharing but also for developing large-scale distributed applications. As an emerging paradigm for distributed computing, P2P systems are raising important issues as ...
  • Enabling efficient real time user modeling in on-line campus 

    Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Fernandez Correa, Raul (Springer, 2007)
    Conference report
    Open Access
    User modelling in on-line distance learning is an important research field focusing on two important aspects: describing and predicting students’ actions and intentions as well as adapting the learning process to students’ ...
  • Enhancing knowledge management in online collaborative learning 

    Caballé Llobet, Santiago; Daradoumis, Thanasis; Xhafa Xhafa, Fatos; Conesa Caralt, Jordi (2010-06)
    Article
    Open Access
    This paper aims to explore two crucial aspects of collaborative work and learning: on the one hand, the importance of enabling collaborative learning applications to capture and structure the information generated by group ...
  • Evaluation of clustering techniques for efficient searching in JXTA-based P2P systems 

    Xhafa Xhafa, Fatos; Jaen, Enric; Daradoumis, Thanasis; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    The efficient file searching is an essential feature in P2P systems. While many current approaches use brute force techniques to search files by meta information (file names, extensions or user-provided tags), the interest ...
  • Extending JXTA protocols for P2P file sharing systems 

    Xhafa Xhafa, Fatos; Barolli, Leonard; Fernández Correa, Raúl; Daradoumis, Thanasis; Caballé Llobet, Santiago; Kolici, Vladi (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    File sharing is among the most important features of the today's Internet-based applications. Most of such applications are server-based approaches inheriting thus the disadvantages of centralized systems. Advances in P2P ...
  • Gridifying IBM's generic log adapter to speed-up the processing of log data 

    Paniagua, Claudi; Xhafa Xhafa, Fatos; Daradoumis, Thanasis (Institute of Electrical and Electronics Engineers (IEEE), 2007)
    Conference report
    Open Access
    Problem determination in today's computing environments consumes between 30 and 70% of an organization's IT resources and represents from one third to one half of their total cost of ownership. The first step to cutting ...
  • Improvement of JXTA protocols for supporting reliable distributed applications in P2P systems 

    Xhafa Xhafa, Fatos; Fernandez Correa, Raul; Daradoumis, Thanasis; Barolli, Leonard; Caballé Llobet, Santiago (Springer, 2007)
    Conference report
    Open Access
    In any distributed application, the communication between the distributed processes/nodes of the distributed systems is essential for both reliability and efficiency matters. In this work we address this issue for distributed ...
  • Is an “effective” online group really effective? 

    Daradoumis, Thanasis; Xhafa Xhafa, Fatos; Marques Puig, Joan Manuel (asociacion española para la inteligencia artificial, 2003)
    Conference report
    Open Access
    The aim of this paper is to explore the real value of effectiveness and success of online collaborative learning teams by studying and analysing their collaborative behaviour with respect to their problem solving performance. ...
  • Scheduling in multiprocessor system using genetic algorithms 

    Dahal, Keshav P.; Hossain, Alamgir; Varghese, Benzy; Abraham, Ajith; Xhafa Xhafa, Fatos; Daradoumis, Thanasis (Institute of Electrical and Electronics Engineers (IEEE), 2008)
    Conference report
    Open Access
    Multiprocessors have emerged as a powerful computing means for running real-time applications, especially where a uniprocessor system would not be sufficient enough to execute all the tasks. The high performance and ...
  • Software agents in large scale open e-learning: a critical component for the future of Massive Online Courses (MOOCs) 

    Bassi, Roxana; Daradoumis, Thanasis; Xhafa Xhafa, Fatos; Caballé Llobet, Santiago; Sula, Ardiana (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    MOOCs or massive open online courses are a recent trend in online education. They combine online resources with social tools and have unique challenges due to the large number of simultaneous participants. This paper ...