Πλοήγηση ανά Συγγραφέα "Katsaros, D."
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Distributed skip air index for smart broadcasting in intelligent transportation systems
Maglaras, L. A.; Katsaros, D. (2012)Wireless data broadcast received a lot of attention from industries and academia in recent years. In any form of a push-based broadcast, access latency and tuning time are vital issues, and in order to address the tradeoff ... -
EBC: A topology control algorithm for achieving high QoS in sensor networks
Cuzzocrea, A.; Katsaros, D.; Manolopoulos, Y.; Papadimitriou, A. (2009)A novel approach for achieving high Quality of Service (QoS) in sensor networks via topology control is introduced and experimentally assessed in this paper. Our approach falls in the broader discipline of graph structural ... -
Edge betweenness centrality: A novel algorithm for QoS-based topology control over wireless sensor networks
Cuzzocrea, A.; Papadimitriou, A.; Katsaros, D.; Manolopoulos, Y. (2012)In this paper we propose a novel topology-control algorithm, called edge betweenness centrality (EBC). EBC is based on the concept of betweenness centrality, which has been first introduced in the context of social network ... -
Effective rank aggregation for metasearching
Akritidis, L.; Katsaros, D.; Bozanis, P. (2011)Nowadays, mashup services and especially metasearch engines play an increasingly important role on the Web. Most of users use them directly or indirectly to access and aggregate information from more than one data sources. ... -
Effective ranking fusion methods for personalized metasearch engines
Akritidis, L.; Katsaros, D.; Bozanis, P. (2008)Metasearch engines are a significant part of the information retrieval process. Most of Web users use them directly or indirectly to access information from more than one data sources. The cornerstone of their technology ... -
Enabling ITS real world experimentation in NITOS future internet facility
Makris, N.; Korakis, T.; Katsaros, D.; Tassiulas, L. (2014)Inter-Vehicle Communication is expected to be widely adopted during the next years by the car industry, enabling Vehicle-to-Vehicle and Vehicle-to-Infrastructure communication targeting at safer commuting. Therefore, the ... -
Energy-efficient distributed clustering in wireless sensor networks
Dimokas, N.; Katsaros, D.; Manolopoulos, Y. (2010)The deployment of wireless sensor networks in many application areas requires self-organization of the network nodes into clusters. Clustering is a network management technique, since it creates a hierarchical structure ... -
Enhanced spring clustering in VANETs with obstruction considerations
Maglaras, L. A.; Katsaros, D. (2013)Vehicular networks have a diverse range of applications that varies from safety applications to comfort applications. Clustering in VANETs is of crucial importance for addressing the scalability problems of VANETs. The ... -
Exploiting vehicular communications for reducing CO2 emissions in urban environments
Maglaras, L. A.; Basaras, P.; Katsaros, D. (2013)In the overall effort of reducing CO2 emissions especially in large cities vehicular communications can play an important role. Intelligent transportation systems, which aim to use information and communication technology ... -
The f Index: Quantifying the Impact of Coterminal Citations on Scientists' Ranking
Katsaros, D.; Akritidis, L.; Bozanis, P. (2009)Designing fair and unbiased metrics to measure the "level of excellence" of a scientist is a very significant task because they recently also have been taken into account when deciding faculty promotions, when allocating ... -
Generalized Hirsch h-index for disclosing latent facts in citation networks
Sidiropoulos, A.; Katsaros, D.; Manolopoulos, Y. (2007)What is the value of a scientist and its impact upon the scientific thinking? How can we measure the prestige of a journal or a conference? The evaluation of the scientific work of a scientist and the estimation of the ... -
Generalized indexing for energy-efficient access to partially ordered broadcast data in wireless networks
Katsaros, D.; Dimokas, N.; Manolopoulos, Y. (2006)Energy conservation and access efficiency are two fundamental though competing goals in broadcast wireless networks. To tackle the energy penalty from sequential searching, the interleaving of index with data items has ... -
The geodesic broadcast scheme for wireless ad hoc networks
Katsaros, D.; Manolopoulos, Y. (2006)Broadcasting is an effective means for disseminating information in wireless ad hoc networks. In this paper we propose a novel distributed broadcasting protocol in wireless ad hoc networks, which is based on an highly ... -
High performance, low complexity cooperative caching for Wireless Sensor Networks
Dimokas, N.; Katsaros, D.; Tassiulas, L.; Manolopoulos, Y. (2009)During the last decade, Wireless Sensor Networks (WSNs) have emerged and matured at such point that currently support several applications like environment control, intelligent buildings, target tracking in battlefields, ... -
High performance, low complexity cooperative caching for wireless sensor networks
Dimokas, N.; Katsaros, D.; Tassiulas, L.; Manolopoulos, Y. (2011)During the last decade, Wireless Sensor Networks have emerged and matured at such point that they currently support several applications such as environment control, intelligent buildings, target tracking in battlefields. ... -
How to choose the right cloud
Bibi, S.; Katsaros, D.; Bozanis, P. (2011)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. ... -
Identifying attractive research fields for new scientists
Akritidis, L.; Katsaros, D.; Bozanis, P. (2012)Prior to the beginning of a scientific career, every new scientist is obliged to confront the critical issue of defining the subject area where his/her future research will be conducted. Regardless of the capabilities of ... -
Identifying influential bloggers: Time does matter
Akritidis, L.; Katsaros, D.; Bozanis, P. (2009)Blogs have recently become one of the most favored services on the Web. Many users maintain a blog and write posts to express their opinion, experience and knowledge about a product, an event and every subject of general ... -
Identifying the Productive and Influential Bloggers in a Community
Akritidis, L.; Katsaros, D.; Bozanis, P. (2011)Social networking has become one of the most important trends on the Web, leading to the development of several social applications such as blogs. Blogs are locations on the Web where individuals are provided with the ... -
Improved retrieval effectiveness by efficient combination of term proximity and zone scoring: A simulation-based evaluation
Akritidis, L.; Katsaros, D.; Bozanis, P. (2012)During the past few years, the commercial Web search engines have augmented their underlying index structures by significantly enriching the information which describes the appearance of a word within a document Dean (2009) ...