Now showing items 1-20 of 21

  • An adaptive event-based system for anytime, anywhere, awareness services in online teamworks 

    Kolici, Vladi; Xhafa Xhafa, Fatos; Caballé Llobet, Santiago; Barolli, Leonard (2017-10-06)
    Article
    Open Access
    The fast development in mobile technologies is drastically changing the way people work, learn, collaborate and socialise. One such important activity that has emerged and is being consolidated more each time is the online ...
  • Analysis of WMN-HC simulation system data using Friedman test 

    Sakamoto, Shinji; Lala, Algenti; Oda, Tetsuya; Kolici, Vladi; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2015)
    Conference report
    Open Access
    With the fast development of wireless technologies, Wireless Mesh Networks (WMNs) are becoming an important networking infrastructure due to their low cost and increased high speed wireless Internet connectivity. In this ...
  • Application of JXTA-overlay platform for secure robot control 

    Spaho, Evjola; Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos; Arnedo Moreno, Joan; Kolici, Vladi (2010)
    Article
    Open Access
    In this paper, we present the evaluation and experimental results of secured robot control in a P2P system. The control system is based on JXTA-Overlay platform. We used secure primitives and functions of JXTA-Overlay for ...
  • Application of WMN-SA simulation system for node placement in Wireless Mesh Networks: a case study for a realistic scenario 

    Sakamoto, Shinji; Lala, Algenti; Oda, Tetsuya; Kolici, Vladi; Barolli, Leonard; Xhafa Xhafa, Fatos (2014)
    Article
    Restricted access - publisher's policy
    One of the key advantages of Wireless Mesh Networks (WMNs) is their importance for providing cost-efficient broadband connectivity. In WMNs, there are issues for achieving the network connectivity and user coverage, which ...
  • A secure JXTA-overlay platform for robot control 

    Spaho, Evjola; Matsuo, Keita; Barolli, Leonard; Arnedo Moreno, Joan; Xhafa Xhafa, Fatos; Kolici, Vladi (Institute of Electrical and Electronics Engineers (IEEE), 2010)
    Conference report
    Open Access
    Due to the improvement of connections capabilities of end-devices there is an increasing interest to design and implement full featured P2P networks that integrate end-devices. In this paper, we use JXTA-Overlay for the ...
  • A study on the performance of Oracle Grid Engine for computing intensive applications 

    Kolici, Vladi; Herrero, Albert; Xhafa Xhafa, Fatos; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    Computing intensive applications are an important family of applications in distributed computing domain. They have been object of study using different distributed computing paradigms and infrastructures. Such applications ...
  • A web interface for wireless mesh networks based on heuristic algorithms: optimisation and analysis for different scenarios 

    Lala, Algenti; Kolici, Vladi; Oda, Tetsuya; Barolli, Leonard; Barolli, Admir; Xhafa Xhafa, Fatos (2015-07)
    Article
    Restricted access - publisher's policy
    In this work, we present WMN-HC and WMN-SA systems which are based on Hill Climbing (HC) and Simulated Annealing (SA) for location assignment of mesh routers in Wireless Mesh Networks (WMNs). As evaluation metrics, we used ...
  • 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 ...
  • 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 ...
  • Hybrid algorithms for independent batch scheduling in grids 

    Xhafa Xhafa, Fatos; Kolodziej, Joanna; Barolli, Leonard; Kolici, Vladi; Miho, Rozeta; Takizawa, Makoto (2012)
    Article
    Open Access
    Grid computing has emerged as a wide area distributed paradigm for solving large-scale problems in science, engineering, etc. and is known as the family of eScience grid-enabled applications. Computing planning of incoming ...
  • Implementation of an e-learning system using P2P, web and sensor technologies 

    Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos; Kolici, Vladi; Koyama, Akio; Durresi, Arjan; Miho, Rozeta (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    Conference report
    Open Access
    This work is motivated by the need to develop decentralized P2P approaches to support learning and teaching activity in virtual universities. In this paper, we present the implementation of the JXTA-based e-learning P2P ...
  • Implementation of CAVENET and its usage for performance evaluation of AODV, OLSR and DYMO protocols in vehicular networks 

    Spaho, Evjola; Barolli, Leonard; Mino, Gjergji; Xhafa Xhafa, Fatos; Kolici, Vladi; Miho, Rozeta (HINDAWI, 2010)
    Article
    Open Access
    Vehicle Ad-hoc Network (VANET) is a kind of Mobile Ad-hoc Network (MANET) that establishes wireless connection between cars. In VANETs and MANETs, the topology of the network changes very often, therefore implementation ...
  • On the performance of Oracle Grid Engine Queuing System for computing intensive applications 

    Kolici, Vladi; Herrera, Albert; Xhafa Xhafa, Fatos (2014)
    Article
    Restricted access - publisher's policy
    In this paper we present some research results on computing intensive applications using modern high performance architectures and from the perspective of high computational needs. Computing intensive applications are an ...
  • Optimization of giant component and number of covered users in Wireless Mesh Networks: a comparison study 

    Kolici, Vladi; Barolli, Leonard; Sakamoto, Shinji; Oda, Tetsuya; Xhafa Xhafa, Fatos; Uchida, Kazunori (2015)
    Conference report
    Open Access
    One of the key advantages of Wireless Mesh Networks (WMNs) is their importance for providing cost efficient broad band connectivity. There are issues for achieving the network connectivity and user coverage, which are ...
  • Performance analysis of different architectures and TCP congestion-avoidance algorithms using WMN-GA simulation system 

    Shinko, Ilir; Kolici, Vladi; Barolli, Admir; Oda, Tetsuya; Barolli, Leonard; Xhafa Xhafa, Fatos (2017-04-12)
    Article
    Open Access
    In this paper, we evaluate the performance of two Wireless Mesh Networks (WMNs) architectures considering throughput, delay, jitter and fairness index metrics. For simulations, we used ns-3, Distributed Coordination Function ...
  • Performance analysis of DSR and DYMO routing protocols for VANETs 

    Spaho, Evjola; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos; Kolici, Vladi; Takizawa, Makoto (2012)
    Conference report
    Restricted access - publisher's policy
    Wireless networks are continuing to attract attention for their potential use in several fields such as ad-hoc networks, sensor networks, mesh networks, and vehicular networks. Vehicular Ad-hoc networks (VANETs) are expected ...
  • Performance analysis of WMN-GA system for different WMN architectures and TCP congestion-avoidance algorithms 

    Shinko, Ilir; Oda, Tetsuya; Barolli, Admir; Kolici, Vladi; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    In this paper, we evaluate the performance of two Wireless Mesh Networks (WMNs) architectures considering throughput, delay, jitter, fairness index, queue and remaining energy metrics. For simulations, we used ns-3, ...
  • Performance analysis of WMNs by WMN-GA simulation system for exponential distribution considering EDCA and DCF 

    Shinko, Ilir; Oda, Tetsuya; Barolli, Admir; Kolici, Vladi; Barolli, Leonard; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference report
    Open Access
    In this paper, we evaluate the performance of WMN using our WMN-GA simulation system considering throughput, delay, jitter and fairness index metrics. For simulations, we used ns-3 and Optimized Link State Routing (OLSR). ...
  • Scalability, memory issues and challenges in mining large data sets 

    Kolici, Vladi; Xhafa Xhafa, Fatos; Barolli, Leonard; Lala, Algenti (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    Conference report
    Open Access
    Data mining is an active field of research and development aiming to automatically extract "knowledge" from analyzing data sets. Knowledge can be defined in different ways such as discovering (structured, frequent, ...
  • Stimulation effects of SmartBox for e-learning using JXTA-overlay P2P system 

    Matsuo, Keita; Barolli, Leonard; Kolici, Vladi; Xhafa Xhafa, Fatos; Koyama, Akio; Durresi, Arjan (Institute of Electrical and Electronics Engineers (IEEE), 2009)
    Conference report
    Open Access
    This work is motivated by the need to develop decentralized P2P approaches to support learning and teaching activity in virtual universities.In this paper, we present the stimulation effects of the SmartBox for e-learning ...