Exploració per autor "Barolli, Leonard"

Ara es mostren els items 55-74 de 155

    • Building a software service for mobile devices to enhance awareness in web collaboration 

      Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Raya, Jordi; Barolli, Leonard; Uchida, Kazunori (Institute of Electrical and Electronics Engineers (IEEE), 2014)
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      In this paper, we propose the construction of an effective event notification software service for mobile devices to provide anytime anywhere awareness to online work teams during Web collaboration. The software service ...

    • Deadline scheduling for aperiodic tasks in inter-cloud environments: a new approach to resource management 

      Pop, Florin; Dobre, Ciprian M.; Cristea, Valentin; Bessis, Nik; Xhafa Xhafa, Fatos; Barolli, Leonard (2015-05-01)
      Article
      Accés obert
      In the big data era, the speed of analytical processing is influenced by the storage and retrieval capabilities to handle large amounts of data. While the distributed crunching applications themselves can yield useful ...

    • Design and implementation of a JXTA-Overlay P2P system and smart box environment 

      Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos; Koyama, Akio; Durresi, Arjan; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2008)
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      In this paper, we present the design and implementation of the JXTA-based e-Learning P2P system. We also show the design and implementation of a smart box environment that will be used for stimulating the learners to ...

    • Design and implementation of testbed using IoT and P2P technologies: improving reliability by a fuzzy-based approach 

      Liu, Yi; Yamada, Masafumi; Oda, Tetsuya; Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos (2017-08-23)
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      Accés obert
      The internet of things (IoT) is a new type of internet application which enables the objects to be active participants with other members of the network. In P2P systems, each peer has to obtain information of other peers ...

    • Effects of population size for location-aware node placement in WMNs: evaluation by a genetic algorithm--based approach 

      Oda, Tetsuya; Barolli, Admir; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Younas, Muhammad (2014-02)
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      Accés obert
      Wireless mesh networks (WMNs) are cost-efficient networks that have the potential to serve as an infrastructure for advanced location-based services. Location service is a desired feature for WMNs to support location-oriented ...

    • Effects of sustained communication time on reliability of JXTA-Overlay P2P platform: a comparison study for two fuzzy-based systems 

      Liu, Yi; Sakamoto, Shinji; Barolli, Leonard; Spaho, Evjola; Ikeda, Makoto; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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      In P2P systems, each peer has to obtain information of other peers and propagate the information to other peers through neighboring peers. Thus, it is important for each peer to have some number of neighbor peers. Moreover, ...

    • Efficient controlling of end-devices in a JXTA-based P2P platform and its application to online learning 

      Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2009)
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      The current Internet infrastructure is becoming each time more heterogeneous regarding computational resources. With the fast improvements in computational capabilities of devices, end-devices are becoming important ...

    • 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)
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      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 ...

    • Energy-aware analysis of synchronizing a groupware calendar 

      Xhafa Xhafa, Fatos; Palou, Daniel; Barolli, Leonard; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2016)
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      With the fast development in Internet and Mobile technologies, we are witnessing a proliferation of applications that support online collaborative group work. Such applications offer many advantages as compared to traditional ...

    • 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)
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      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 ...

    • Evaluation of genetic algorithms for mesh router nodes placement in wireless mesh networks 

      Xhafa Xhafa, Fatos; Sánchez Lopez, Christian; Barolli, Leonard; Spaho, Evjola (2010-12)
      Article
      Accés restringit per política de l'editorial
      In wireless mesh networks (WMNs) the meshing architecture, consisting of a grid of mesh routers, provides connectivity services to mesh client nodes. The performance and operability of WMNs largely depends on placement of ...

    • Evaluation of intra-group optimistic data replication in P2P groupware systems 

      Xhafa Xhafa, Fatos; potlog, Alina-Diana; Spaho, Evjola; Pop, Florin; Cristea, Valentin; Barolli, Leonard (2015-03-25)
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      Accés obert
      Peer-to-peer (P2P) computing systems have become very popular during the last years because of their ability to scale to a large number of users and efficient communication among peers. They can support complex computational ...

    • Evaluation of struggle strategy in genetic algorithms for ground stations scheduling problem 

      Xhafa Xhafa, Fatos; Herrero, Xavier; Barolli, Admir; Barolli, Leonard; Takizawa, Makoto (2012-02-12)
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      Accés obert
      Ground station scheduling problem arises in spacecraft operations and aims to allocate ground stations to spacecraft to make possible the communication between operations teams and spacecraft systems. The problem belongs ...

    • Experimental evaluation of a MANET testbed in indoor stairs scenarios 

      Hiyama, Masahiro; Ikeda, Makoto; Barolli, Leonard; Kulla, Elis; Xhafa Xhafa, Fatos; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2010)
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      In recent years, Mobile Ad hoc Networks (MANETs) are continuing to attract the attention for their potential use in several fields. Mobility and the absence of any fixed infrastructure make MANETs very attractive for ...

    • Experimental results and evaluation of SmartBox stimulation device in a P2P e-learning system 

      Matsuo, Keita; Barolli, Leonard; Arnedo Moreno, Joan; Xhafa Xhafa, Fatos; Koyama, Akio; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2009)
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      In this paper, we present the experimental results and evaluation of the SmartBox stimulation device in P2P e-learning system which is based on JXTA-Overlay. We also show the design and implementation of the SmartBox ...

    • 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)
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      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 ...

    • Genetic algorithms for efficient placement of router nodes in wireless mesh networks 

      Xhafa Xhafa, Fatos; Sánchez Lopez, Christian; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2010)
      Text en actes de congrés
      Accés obert
      In Wireless Mesh Networks (WMNs) the meshing architecture, consisting of a grid of mesh routers, provides connectivity services to different mesh client nodes. The good performance and operability of WMNs largely depends ...

    • Genetic algorithms for node placement in WMNs: effect of changes in population size and number of generations 

      Oda, Tetsuya; Barolli, Admir; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Iwashige, Jiro (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial

    • Genetic algorithms for satellite scheduling problems 

      Xhafa Xhafa, Fatos; Sun, Junzi; Barolli, Admir; Biberaj, Alexander; Barolli, Leonard (HINDAWI, 2012)
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      Accés obert
      Recently there has been a growing interest in mission operations scheduling problem. The problem, in a variety of formulations, arises in management of satellite/space missions requiring efficient allocation of user requests ...

    • Geometrical and topological approaches to big data 

      Snasel, Vaclav; Nowaková, Jana; Xhafa Xhafa, Fatos; Barolli, Leonard (Elsevier, 2016-06-29)
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      Accés obert
      Modern data science uses topological methods to find the structural features of data sets before further supervised or unsupervised analysis. Geometry and topology are very natural tools for analysing massive amounts of ...