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SupportingI/O-IntensiveWorkloadsontheCellArchitecture M.MustafaRafique,AliR.Butt,andDimitriosS.Nikolopoulos ∗

by unknown authors
"... Recent advent of the asymmetric multi-core processors such as Cell Broadband Engine (Cell/BE) has popularized the use of heterogeneous architectures in High-End Computing. Data and I/O intensive workloads have largely been ignored in this domain. We take the first steps in supporting I/O intensive w ..."
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uses the PowerPC core of the Cell/BE for file prefetching and decentralized DMAs from the synergistic processing cores (SPE’s), improves the performance for I/O workloads that include an encryption/decryption component by 30.2%, compared to I/O performed naïvely from the SPE’s. 1.

Dr. DIMITRIOS ZIKOS

by unknown authors
"... Abstract:- The notion of sustainability in the urban water sector refers to a multi-dimensional spectrum of balancing social, environmental and economic interests. The supply-oriented traditional infrastructure notions in the domestic water supply developed around the perception of water as a “publi ..."
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of sustainability. This argument is supported by evidence of the instructive Berlin’s case. Athens ’ case, is also employed in this paper, providing further empirical evidence from a second European metropolitan area. Key-Words: water saving, domestic water, urban infrastructure, water management, water supply

Dimitrios Kravvaritis and Nikolaos S. Papageorgiou

by Or Gi Ou, Dimitrios Kravvaritis, Nikolaos S. Papageorgiou
"... . Using a Nagumo type tangential condition and a recent theorem on the existence of directionally continuous selector for a lower semicontinuous multifunctions, we establish the existence of periodic trajectories for nonconvex differential inclusions. 1. Introduction In this paper we examine th ..."
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continuous function x : T ! R N satisfying (1) above. Recall that by Lebesgue's theorem the function x(\Delta) is almost everywhere differentiable and x 2 L 1 (T; R N ). Earlier works on periodic solutions of differential inclusions considered only systems with convex-valued orientor fields. We

MONETARY POLICY UNDER RATIONAL EXPECTATIONS: A selective overvew By DIMITRIOS VASILIOU, M.A. (Econ)

by unknown authors
"... In the 1960s, economists knew or thought they knew the kind of policy which would yeild improvements in economic performance beneficial to everyone. The neo-Keynesian view together with the Phillips curve was the dominant theory which has given the quidelines to the policymakers. The key element was ..."
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In the 1960s, economists knew or thought they knew the kind of policy which would yeild improvements in economic performance beneficial to everyone. The neo-Keynesian view together with the Phillips curve was the dominant theory which has given the quidelines to the policymakers. The key element

*Dissertation Advisor: Dimitrios Syvridis, Professor Optical Microring Devices for Optical Networks Applications: Investigation, Design and Characterization

by Alexandros Kapsalis
"... Abstract. In this dissertation, the optical characteristics of active microring resonators are investigated. The result of this thesis is the complete investigation of the SML properties and also the optimization of the key design parameters in order to be used in future microring-based lightwave sy ..."
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. Finally some applications: direct modulation at 7Gb/s and transmission through 100km, wavelength conversion in similar data rates by exploiting cross gain modulation (XGM) and a 10 dB optical amplification at 10Gb/s modulated.

A self learning e-system for Greek paleography A.S. DRIGAS*, A. TAGOULIS*, P.KYRAGIANNI*, P. NIKOLOPOULOS**, D. KALOMOIRAKIS, D.KOUREMENOS*, CH. EMMANOUILIDIS***

by J. Vrettaros
"... Abstract:- This paper presents an e-learning system, which aims to introduce the users in paleography, specifically in Greek pearlscript type paleography of the 19th to the 12th century, which is a representing sample of the Byzantine writing. It is aimed to scholars interested in paleography giving ..."
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Abstract:- This paper presents an e-learning system, which aims to introduce the users in paleography, specifically in Greek pearlscript type paleography of the 19th to the 12th century, which is a representing sample of the Byzantine writing. It is aimed to scholars interested in paleography giving them fundamental knowledge. This e-learning system is available via Internet and as a cd-rom. It is the first e-learning system for the Greek paleography, with content taken from “The book of Jove ” and provides interactive and multiform education. It consists a part of the D-Scribe Project, which is a complete program for the recording, manipulation, recognition and management of valuable Greek manuscripts. Key-Words:- e-learning, paleography, transcription, interactive learning 1

unknown title

by Dimitrios Lekkas, Dimitrios Zissis
"... This is an HTML working draft that led to an article publication. A reference to this work should always be done using the following citation: Dimitrios Lekkas and Dimitrios Zissis, "Leveraging the e-passport PKI to achieve interoperable security for e-government cross border services", In ..."
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this information are expected to adhere to the terms and constraints invoked by each author's copyright. In most cases, these works may not be reposted without the explicit permission of the copyright holder. 2 Dimitrios Lekkas and Dimitrios Zissis Leveraging the e-passport PKI to achieve interoperable

Keynote presentations

by Eduard Ayguadé (bsc/upc, Lee Howes (amd, Benedict R. Gaster (amd, Roberto Gioiosa (bsc, Per Stenström (chalmers, Osman S. Ünsal (bsc, T. Mattson , 2011
"... Welcome to the Fourth Workshop on Programmability Issues for Multi-Core Computers (MULTIPROG-2011). We are delighted to present a strong program composed of 10 high-quality papers selected out of 21 papers submitted. The program also included two keynote proesentations by Tim Mattson (Intel) and Dim ..."
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) and Dimitrios Nikolopoulos (U. of Crete and FORTH-ICS). As computer manufacturers are embarking on the multi-core roadmap, which promises a doubling of the number of processors on a chip every other year, the programming community is faced with a severe dilemma. Until now, software has been developed with a

Signal Processing

by S. Nikolopoulos, S. Zafeiriou, I. Patras, I. Kompatsiaris , 2012
"... j.sigpro.2012.08.004 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting galley proof before it is p ..."
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it is published in its final citable form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. High Order pLSA for Indexing Tagged Images S. Nikolopoulos a,b, ∗ , S. Zafeiriou c, I. Patras b, I

NBER WORKING PAPER SERIES WHAT LIES BENEATH THE EURO'S EFFECT ON FINANCIAL INTEGRATION: CURRENCY RISK, LEGAL HARMONIZATION, OR TRADE?

by Sebnem Kalemli-ozcan, Elias Papaioannou, We Also Thank Simone Manganelli, Phil Lane, Marco Pagano, Mark Spiegel , 2009
"... Essential parts of this paper were prepared while Sebnem Kalemli-Ozcan was visiting the European Central Bank as 2008 Duisenberg Fellow. She thanks the economists at the Bank for providing a stimulating research environment. We thank Dimitrios Rakitzis for excellent research assistance. Fabio Fiorel ..."
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Essential parts of this paper were prepared while Sebnem Kalemli-Ozcan was visiting the European Central Bank as 2008 Duisenberg Fellow. She thanks the economists at the Bank for providing a stimulating research environment. We thank Dimitrios Rakitzis for excellent research assistance. Fabio
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