7 results on '"Gelenbe, Erol"'
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2. First Impressions of a Young Turk. Introductory Remarks to the Gelenbe 2015 Symposium.
- Author
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Pavella, Mania
- Subjects
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COMPUTER scientists , *COMPUTER engineers , *COMPUTER science , *INFORMATION technology - Abstract
These remarks constitute an introduction to this special issue and were made on 21 September 2015, at the opening of a special symposium honouring Professor Erol Gelenbe at Imperial College London, UK. Gelenbe is a Computer Scientist and Computer Engineer, who has been a Fellow of Academia Europaea since 2005. He is also a Fellow of the Royal Academy of Sciences, Arts and Letters of Belgium, as well as of the Science Academies of Hungary, Poland and Turkey, and of the National Academy of Technologies of France. [ABSTRACT FROM AUTHOR]
- Published
- 2017
- Full Text
- View/download PDF
3. EROL GELENBE: A CAREER IN MULTI-DISCIPLINARY PROBABILITY MODELS.
- Author
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ÇAGLAYAN, M. UFUK
- Subjects
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COMPUTER science , *INFORMATION science , *PROBABILITY theory , *INFORMATION & communication technologies , *ELECTRICAL energy - Abstract
We focus on Erol Gelenbe's scientific and technical contributions to probability models in the computer and information sciences, but limit our survey to the last fifteen years. We start with a brief overview of his work as a single author, as well as his work in collaboration with over 200 co-authors. We discuss some of his recent and innovative work regarding a new probability model that represents Intermittent Energy Sources for Computing and Communications, introducing Energy Packet Networks which are a probabilistic representation of the flow, storage and consumption of electrical energy at the microscopic level (in electronic chips), and at the macroscopic level (e.g. in buildings or data centers) and for its routing and dynamic usage by consuming units (such as computer elements, chips or machines). We next discuss his work on designing computer and communication systems that parsimoniously use energy in order to achieve a satisfactory level of quality of service (QoS). Trade-offs between system QoS and energy consumption are also considered. Then we turn to Prof. Gelenbe's pioneering work on Autonomic Communications and the design and implementation of CPN, the Cognitive Packet Network, and we also briefly review his spiking random neural network that was used in CPN. This is followed by a brief review of work that he conducted since 1999 on human evacuation from dangerous or catastrophic environments, and the design of technology driven Emergency Management Systems. His research since the late 2000s on Gene Regulatory Networks is then covered together with its application to the detecting possible disease from microarray data. Finally, we briefly discuss some novel analytical models that he developed in this period with publications appearing in journals of physics and applied mathematics. [ABSTRACT FROM AUTHOR]
- Published
- 2016
- Full Text
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4. Steps Toward Self-Aware Networks.
- Author
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GELENBE, EROL
- Subjects
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COMPUTER network management , *AUTONOMIC computing , *ELECTRONIC data processing , *COMPUTER network protocols , *QUALITY of service , *COMPUTER science - Abstract
The article discusses the design of self-aware networks (SANs), examining the theoretical and experimental research concerning the technical procedures necessary to establish such networks. SANs are comprised of nodes that can autonomously join and leave a network, as well as discover paths when a need to communicate arises. Other topics of discussion include connections that use paths which optimize the connections own quality of service (QoS) criteria and bio-inspired techniques for networking.
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- 2009
- Full Text
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5. Adaptive Random Re-Routing for Differentiated QoS in Sensor Networks.
- Author
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GELENBE, EROL and NGAI, EDITH
- Subjects
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SENSOR networks , *QUALITY of service , *COMPUTER networks , *ELECTRONIC data processing , *COMPUTER science - Abstract
Sensor networks (SNs) consist of spatially distributed sensors which monitor an environment, and which are connected to some sinks or backbone system to which the sensor data is being forwarded. In many cases, the sensor nodes themselves can serve as intermediate nodes for data coming from other nodes, on the way to the sinks. Much of the traffic carried by SNs will originate from routine measurements or observations by sensors that monitor a particular situation, such as the temperature and humidity in a room or the infrared observation of the perimeter of a house, so that the volume of routine traffic resulting from such observations may be quite high. When important and unusual events occur, such as a sudden fire breaking out or the arrival of an intruder, it will be necessary to convey this new information very urgently through the network to a designated set of sink nodes where this information can be processed and dealt with. This paper addresses the important challenge by avoiding the routine background traffic from creating delays or bottlenecks that impede the rapid delivery of high priority traffic resulting from the unusual events. Specifically we propose a novel technique, the ‘Randomized Re-Routing Algorithm (RRR)’, which detects the presence of novel events in a distributed manner, and dynamically disperses the background traffic towards secondary paths in the network, while creating a ‘fast track path’ which provides better delay and better quality of service (QoS) for the high priority traffic which is carrying the new information. When the surge of new information has subsided, this is again detected by the nodes and the nodes progressively revert to best QoS or shortest-path routing for all the ongoing traffic. The proposed technique is evaluated using a mathematical model as well as simulations, and is also compared with a standard node by a node priority scheduling technique. [ABSTRACT FROM PUBLISHER]
- Published
- 2010
- Full Text
- View/download PDF
6. Energy-Efficient Cloud Computing.
- Author
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BERL, ANDREAS, GELENBE, EROL, DI GIROLAMO, MARCO, GIULIANI, GIOVANNI, DE MEER, HERMANN, MINH QUAN DANG, and PENTIKOUSIS, KOSTAS
- Subjects
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CLOUD computing , *ENERGY consumption , *INFORMATION technology , *COMPUTER systems , *COMPUTER science - Abstract
Energy efficiency is increasingly important for future information and communication technologies (ICT), because the increased usage of ICT, together with increasing energy costs and the need to reduce green house gas emissions call for energy-efficient technologies that decrease the overall energy consumption of computation, storage and communications. Cloud computing has recently received considerable attention, as a promising approach for delivering ICT services by improving the utilization of data centre resources. In principle, cloud computing can be an inherently energy-efficient technology for ICT provided that its potential for significant energy savings that have so far focused on hardware aspects, can be fully explored with respect to system operation and networking aspects. Thus this paper, in the context of cloud computing, reviews the usage of methods and technologies currently used for energy-efficient operation of computer hardware and network infrastructure. After surveying some of the current best practice and relevant literature in this area, this paper identifies some of the remaining key research challenges that arise when such energy-saving techniques are extended for use in cloud computing environments. [ABSTRACT FROM PUBLISHER]
- Published
- 2010
- Full Text
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7. Editorial.
- Author
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GELENBE, EROL
- Subjects
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COMPUTERS , *COMPUTER science - Abstract
The article discusses the history and accomplishments of "The Computer Journal."
- Published
- 2010
- Full Text
- View/download PDF
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