Browsing by Author "Katsaros, D."
Now showing items 1-20 of 61
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A-tree: Distributed indexing of multidimensional data for cloud computing environments
Papadopoulos, A.; Katsaros, D. (2011)Efficient querying of huge volumes of multidimensional data stored in cloud computing systems has become a necessity, due to the widespread of cloud storage facilities. With clouds getting larger and available data growing ... -
Application development: Fly to the clouds or stay in-house?
Bibi, S.; Katsaros, D.; Bozanis, P. (2010)Cloud computing is a recent trend in IT that moves computing and data away from desktop and portable PCs into large data centers, and outsources the "applications" (hardware and software) as services over the Internet. ... -
Architectural Requirements for Cloud Computing Systems: An Enterprise Cloud Approach
Rimal, B. P.; Jukan, A.; Katsaros, D.; Goeleven, Y. (2011)Cloud Computing is a model of service delivery and access where dynamically scalable and virtualized resources are provided as a service over the Internet. This model creates a new horizon of opportunity for enterprises. ... -
Business Application Acquisition: On-Premise or SaaS-Based Solutions?
Bibi, S.; Katsaros, D.; Bozanis, P. (2012) -
Cache consistency in Wireless Multimedia Sensor Networks
Dimokas, N.; Katsaros, D.; Manolopoulos, Y. (2010)The production of cheap CMOS cameras, which are able to capture rich multimedia content, combined with the creation of low-power circuits, gave birth to what is called Wireless Multimedia Sensor Networks (WMSNs). WMSNs ... -
Cache control issues in pub–sub networks and wireless sensor networks
Katsaros, D. (2014) -
CDNs Content Outsourcing via Generalized Communities
Katsaros, D.; Pallis, G.; Stamos, K.; Vakali, A.; Sidiropoulos, A.; Manolopoulos, Y. (2009)Content distribution networks (CDNs) balance costs and quality in services related to content delivery. Devising an efficient content outsourcing policy is crucial since, based on such policies, CDN providers can provide ... -
CDNsim: A Simulation Tool for Content Distribution Networks
Stamos, K.; Pallis, G.; Vakali, A.; Katsaros, D.; Sidiropoulos, A.; Manolopoulos, Y. (2010)Content distribution networks (CDNs) have gained considerable attention in the past few years. Hence there is need for developing frameworks for carrying out CDN simulations. In this article we present a modeling and ... -
Cloud Computing
Katsaros, D.; Pallis, G.; Sivasubramanian, S.; Vakali, A. (2011) -
Cloud computing [Guest Editorial]
Katsaros, D.; Pallis, G.; Sivasubramanian, S.; Vakali, A. (2011) -
Cloud computing: Distributed internet computing for IT and scientific research
Dikaiakos, M. D.; Katsaros, D.; Mehra, P.; Pallis, G.; Vakali, A. (2009)Cloud computing is location agnostic and provides dynamically scalable and virtualized resources as services over the Internet. Here, the authors provide broad introductory definitions to cloud computing concepts. Articles ... -
Clustering in Urban environments: Virtual forces applied to vehicles
Maglaras, L. A.; Katsaros, D. (2013)Clustering of Vanets is a technique for grouping nodes in geographical vicinity together, making the network more robust and scalable. Clustering of vehicles that is based on virtual forces has been recently introduced for ... -
Content Replication and Delivery in Information-Centric Networks
Sourlas, V.; Flegkas, P.; Katsaros, D.; Tassiulas, L. (2014)Information-centric networking (ICN) is emerging as the main future networking environment, given that the vast majority of Internet activities are related to information access and delivery. This chapter presents a ... -
Cooperative caching in wireless multimedia sensor networks
Dimokas, N.; Katsaros, D.; Manolopoulos, Y. (2008)The recent advances in miniaturization and the creation of low-power circuits, combined with small-sized batteries have made the development of wireless sensor networks a working reality. Lately, the production of cheap ... -
The d-hop k-data coverage query problem in wireless sensor networks
Kontaki, M.; Katsaros, D.; Manolopoulos, Y. (2008)The task of querying wireless sensor network (WSN) to retrieve data of interest is very significant and a wealth of query types have been proposed in the context of WSNs. This article describes the d-hop k-data coverage ... -
Demonstration of a Vehicle-to-Infrastructure (V2I) communication network featuring heterogeneous sensors and delay tolerant network capabilities
Stavropoulos, D.; Kazdaridis, G.; Korakis, T.; Katsaros, D.; Tassiulas, L. (2012)The development of applications based over vehicular networks, such as road safety, environmental information etc. require a complete testbed platform for research and evaluation. Such a platform will be provided by NITOS[1] ... -
Detecting energy-efficient central nodes for cooperative caching in wireless sensor networks
Dimokas, N.; Katsaros, D. (2013)The deployment of wireless sensor networks in many application areas like environment control, target tracking in battlefields, requires an optimization to the communication among the sensors so as to serve data in short ... -
Detecting influential nodes in complex networks with range probabilistic control centrality
Katsaros, D.; Basaras, P. (2015) -
Detecting Influential Spreaders in Complex, Dynamic Networks
Basaras, P.; Katsaros, D.; Tassiulas, L. (2013)A hybrid of node degree and k-shell index is more effective at identifying influential spreaders and has less computational overhead than either of these traditional measures. -
Distributed clustering in vehicular networks
Maglaras, L. A.; Katsaros, D. (2012)Clustering in vanets is of crucial importance in order to cope with the dynamic features of the vehicular topologies. Algorithms that give good results in Manets fail to create stable clusters since vehicular nodes are ...