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Ara es mostren els items 392-403 de 403

    • 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)
      Text en actes de congrés
      Accés obert
      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' ...

    • Using bi-clustering algorithm for analyzing online users activity in a virtual campus 

      Xhafa Xhafa, Fatos; Caballé Llobet, Santiago; Barolli, Leonard; Molina, Albert; Miho, Rozeta (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Text en actes de congrés
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      Data mining algorithms have been proved to be useful for the processing of large data sets in order to extract relevant information and knowledge. Such algorithms are also important for analyzing data collected from the ...

    • Using computer-supported collaborative work in fundamental programming subjects 

      Xhafa Xhafa, Fatos; Vázquez Alcocer, Pere Pau; Marco Gómez, Jordi; Martín Prat, Àngela (Universitat de Girona, 2004)
      Text en actes de congrés
      Accés obert
      Fundamental Programming subjects are compulsory for several technical engineering degrees. Typical face-to-face teaching may cause a lack of continuous learning and support for students, as teachers are only available at ...

    • Using data replication for improving QoS in MANETS 

      Kulla, Elis; Spaho, Evjola; Xhafa Xhafa, Fatos; Barolli, Leonard; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Using mobile devices to support online collaborative learning 

      Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Barolli, Leonard (Hindawi, 2010)
      Article
      Accés obert
      Mobile collaborative learning is considered the next step of on-line collaborative learning by incorporating mobility as a key and breakthrough requirement. Indeed, the current wide spread of mobile devices and wireless ...

    • Using parallelism in experimenting and fine tuning of parameters for metaheuristics 

      Blesa Aguilera, Maria Josep; Xhafa Xhafa, Fatos (2003-12)
      Report de recerca
      Accés obert
      We address the issue of using parallel implementations as a mean for efficient experimenting and fine tuning of parameters for metaheuristics --a very difficult and especially time consuming process. This is particularly ...

    • Using trustworthy web services for secure e-assessment in collaborative learning grids 

      Caballé Llobet, Santiago; Miguel Moneo, Jorge; Xhafa Xhafa, Fatos; Capuano, Nicola; Conesa Caralt, Jordi (2017-01-27)
      Article
      Accés restringit per política de l'editorial
      The paper presents innovative trustworthy services to support secure e-assessment in web-based collaborative learning grids. Although e-Learning has been widely adopted, there exist still drawbacks which limit their ...

    • Utilizing artificial neural networks and genetic algorithms to build an algo-trading model for intra-day foreign exchange speculation 

      Evans, Cain; Pappas, Konstantinos; Xhafa Xhafa, Fatos (2013-09)
      Article
      Accés obert
      The Foreign Exchange Market is the biggest and one of the most liquid markets in the world. This market has always been one of the most challenging markets as far as short term prediction is concerned. Due to the chaotic, ...

    • VM deployment methods for DaaS model in clouds 

      Goga, Klodiana; Xhafa Xhafa, Fatos; Terzo, Olivier (Springer, 2018)
      Text en actes de congrés
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      Big Data has become an enabling technology for many of the today’s innovations. Given the exponential rate at which the data is produced there is a clear necessity for scalable solutions to control the overwhelming flow ...

    • Waste collection of medical items under uncertainty using internet of things and city open data repositories: a simheuristic approach 

      Peyman, Mohammad; Li, Yuda; Tordecilla Madera, Rafael David; Copado-Mendez, Pedro; Juan, Angel A.; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2021)
      Text en actes de congrés
      Accés obert
      In a pandemic situation, a large quantity of medical items are being consumed by citizens globally. If not properly processed, these items can be pollutant or even dangerous. Inspired by a real case study in the city of ...

    • WIT: a wireless integrated traffic model 

      Doci, Arta; Xhafa Xhafa, Fatos (HINDAWI, 2008)
      Article
      Accés obert
      Simulation is a common approach for designing ad hoc network applications, due to the slow deployment of these networks. The main building blocks of ad hoc network applications are the routing protocols, mobility, and ...

    • WMN-SA system for node placement in WMNs: evaluation for different realistic distributions of mesh clients 

      Sakamoto, Shinji; Oda, Tetsuya; Bravo, Albert; Barolli, Leonard; Ikeda, Makoto; Xhafa Xhafa, Fatos (2014)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      One of the key advantages of Wireless Mesh Networks (WMNs) is their importance for providing cost-efficient broadband connectivity. There are issues for achieving the network connectivity and user coverage, which are related ...