Exploració per autor "Barolli, Leonard"
Ara es mostren els items 136-155 de 155
-
Recent advances on the simulation models for ad hoc networks: real traffic and mobility models
Doci, Arta; Barolli, Leonard; Xhafa Xhafa, Fatos (2009-03-01)
Article
Accés restringit per política de l'editorialIn order to provide credible and valid simulation results it is important to built simulation models that accurately represent the environments were ad hoc networks will be deployed. Recent research results have shown that ... -
Reputation-guided evolutionary scheduling algorithm for independent tasks in inter-clouds environments
Pop, Florin; Dobre, Ciprian M.; Cristea, Valentin; Bessis, Nik; Xhafa Xhafa, Fatos; Barolli, Leonard (2015-01-01)
Article
Accés obertSelf-adaptation provides software with flexibility to different behaviours (configurations) it incorporates and the (semi-) autonomous ability to switch between these behaviours in response to changes. To empower clouds ... -
Routing efficiency in wireless sensor-actor networks considering semi-automated architecture
Barolli, Leonard; Yang, Tao; Mino, Gjergji; Xhafa Xhafa, Fatos; Durresi, Arjan (2010)
Article
Accés obertWireless networks have become increasingly popular and advances in wireless communications and electronics have enabled the development of different kind of networks such as Mobile Ad-hoc Networks (MANETs), Wireless Sensor ... -
Routing efficiency of AODV and DSR protocols in ad-hoc sensor networks
Yang, Tao; Ikeda, Makoto; De Marco, Giuseppe; Barolli, Leonard; Durresi, Arjan; Xhafa Xhafa, Fatos (Institute of Electrical and Electronics Engineers (IEEE), 2008)
Text en actes de congrés
Accés obertIn this paper, we consider the performance behavior of two protocols: AODV and DSR using TwoRayGround model. We study the routing efficiency of the ad-hoc sensor network and compare the performance of two protocols for ... -
Routing in a many-to-one communication scenario in a realistic VDTN
Bylykbashi, Kevin; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos (2018)
Article
Accés obertIn this paper, we evaluate and compare the performance of different routing protocols in a many-to-one communication within a Vehicular Delay Tolerant Network (VDTN). Seven groups with three stationary sensor nodes sense ... -
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)
Text en actes de congrés
Accés obertData 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, ... -
Secure deduplication storage systems supporting keyword search
Li, Jin; Chen, Xiaofeng; Xhafa Xhafa, Fatos; Barolli, Leonard (2015-12-01)
Article
Accés obertData deduplication is an attractive technology to reduce storage space for increasing vast amount of duplicated and redundant data. In a cloud storage system with data deduplication, duplicate copies of data will be ... -
Securing a Java P2P framework: The JXTA-Overlay case
Arnedo Moreno, Joan; Matsuo, Keita; Barolli, Leonard; Xhafa Xhafa, Fatos (Association for Computing Machinery (ACM), 2009)
Text en actes de congrés
Accés obertIn the wake of the success of Peer-to-Peer (P2P) networking, security has arisen as one of its main concerns, becoming a key issue when evaluating a P2P system. Unfortunately, some systems' design focus targeted issues ... -
Semantic valence modeling: emotion recognition and affective states in context-aware systems
Moore, Philip R.; Xhafa Xhafa, Fatos; Barolli, Leonard (2014)
Text en actes de congrés
Accés obertDefining and describing a context requires knowledge (contextual information), while research is addressing a wider range of potential contextual information in a diverse range of domains the diversity of potential contextual ... -
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)
Text en actes de congrés
Accés obertThis 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 ... -
Tools for performance assessment of OLSR protocol
Ikeda, Makoto; Barolli, Leonard; De Marco, Giuseppe; Yang, Tao; Durresi, Arjan; Xhafa Xhafa, Fatos (HINDAWI, 2009-05-28)
Article
Accés obertIn this paper, we evaluate the performance of Optimized Link State Routing (OLSR) protocol by experimental and simulation results. The experiments are carried out by using our implemented testbed and the simulations by ... -
Towards a normalized trustworthiness approach to enhance security in on-line assessment
Miguel, Jorge; Caballé Llobet, Santiago; Xhafa Xhafa, Fatos; Prieto, Josep; Barolli, Leonard (Institute of Electrical and Electronics Engineers (IEEE), 2014)
Text en actes de congrés
Accés obertThis paper proposes an approach to enhance information security in on-line assessment based on a normalized trustworthiness model. Among collaborative e-Learning drawbacks which are not completely solved, we have investigated ... -
Trustworthiness in P2P: performance behaviour of two fuzzy-based systems for JXTA-overlay platform
Spaho, Evjola; Sakamoto, Shinji; Barolli, Leonard; Xhafa Xhafa, Fatos; Ikeda, Makoto (Springer, 2014-09-01)
Article
Accés restringit per política de l'editorialPeer-to-peer (P2P) networks, will be very important for future distributed systems and applications. In such networks, peers are heterogeneous in providing the services and they do not have the same competence of reliability. ... -
Tuning of operators in memetic algorithms for independent batch scheduling in computational grids
Xhafa Xhafa, Fatos; Duran, B.; Barolli, Leonard; Kolici, Vladi; Miho, Rozeta; Takizawa, Makoto (2012)
Text en actes de congrés
Accés restringit per política de l'editorialEfficient scheduling of jobs to resources is a core service of Computational Grids (CGs). Due to the large scale, the dynamic nature and the highly heterogeneous tasks and resources, scheduling is a challenging problem in ... -
Tuning operators of genetic algorithms for mesh routers placement problem in Wireless Mesh Networks
Xhafa Xhafa, Fatos; Sánchez, Christian; Barolli, Admir; Miho, Rozeta; Barolli, Leonard; Takizawa, Makoto (Institute of Electrical and Electronics Engineers (IEEE), 2010)
Text en actes de congrés
Accés obertWireless Mesh Networks (WMNs) have become an important networking infrastructure for providing cost-efficient broadband wireless connectivity. WMNs are showing their applicability in deployment of medical, transport and ... -
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 obertUser 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
Accés obertData 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 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 obertMobile 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 ... -
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'editorialOne 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 ...