Ponències/Comunicacions de congressos

Enviaments recents

  • Dealing with goal models complexity using topological metrics and algorithms 

    Méndez Tapia, Emma Lucía; López Cuesta, Lidia; Ayala Martínez, Claudia Patricia (CEUR-WS.org, 2017)
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    The inherent complexity of business goal-models is a challenge for organizations that has to analyze and maintaining them. Several approaches are developed to reduce the complexity into manageable limits, either by providing ...

  • Logspace self-reducibility 

    Balcázar Navarro, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 1988)
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    A definition of self-reducibility is proposed to deal with logarithmic space complexity classes. A general property derived from the definition is used to prove known results comparing uniform and nonuniform complexity ...

  • Supporting effective monitoring and knowledge building in online collaborative learning systems 

    Caballé Llobet, Santiago; Juan Pérez, Ángel Alejandro; Xhafa Xhafa, Fatos (Springer, 2008)
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    This paper aims to report on an experience of using an innovative groupware tool to support real, collaborative learning. We base the success of on-line collaborative learning on extracting relevant knowledge from interaction ...

  • A GA(TS) hybrid algorithm for scheduling in computational grids 

    Xhafa Xhafa, Fatos; González, Juan A.; Dahal, Keshav P.; Abraham, Ajith (Springer, 2009)
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    The hybridization of heuristics methods aims at exploring the synergies among stand alone heuristics in order to achieve better results for the optimization problem under study. In this paper we present a hybridization of ...

  • MPLS traffic engineering in satellite networks 

    Durresi, Arjan; Durresi, Mimoza; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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    Broadband satellite constellation networks will be required to carry all types of IP traffic, real time interactive traffic as well as non-real time traffic, warranting the need for appropriate QoS for these different ...

  • Using a grid platform for enabling real time user modeling in on-line campus 

    Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Daradoumis, Thanasis; Esteve, Joana; Barolli, Leonard; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2007)
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    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' ...

  • Evaluating A+B=K conditions in constant time 

    Cortadella Fortuny, Jordi; Llaberia Griñó, José M. (Institute of Electrical and Electronics Engineers (IEEE), 1988)
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    The authors consider a type of condition that can be evaluated without requiring a complete ALU (arithmetic logic unit) operation. The circuit that is presented detects the condition A+B=K (n-bit numbers) in constant time, ...

  • An intelligent handoff system for wireless cellular networks using fuzzy logic and random walk model 

    Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan; Koyama, Akio; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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    In mobile cellular systems the handover is a very important process to maintain the desired Quality of Service (QoS). Many handover algorithms are proposed in the literature. However, to make a better handover and keep the ...

  • Tuning struggle strategy in genetic algorithms for scheduling in computational grids 

    Xhafa Xhafa, Fatos; Duran, Bernat; Abraham, Ajith; Dahal, Keshav P. (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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    Job Scheduling on Computational Grids is gaining importance due to the need for efficient large-scale Grid-enabled applications. Among different optimization techniques addressed for the problem, Genetic Algorithm (GA) is ...

  • 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)
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    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 ...

  • 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)
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    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 ...

  • Bioinformatics and medicine in the era of deep learning 

    Bacciu, Davide; Lisboa, Paulo J G; Martín, José David; Stoean, Ruxandra; Vellido Alcacena, Alfredo (I6doc.com, 2018)
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    Accés restringit per política de l'editorial
    Many of the current scientific advances in the life sciences have their origin in the intensive use of data for knowledge discovery. In no area this is so clear as in bioinformatics, led by technological breakthroughs in ...

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