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15 results on '"Epitropou, Victor"'

10. A model for environmental data extraction from multimedia and its evaluation against various chemical weather forecasting datasets

Author

Moumtzidou, Anastasia, primary, Epitropou, Victor, additional, Vrochidis, Stefanos, additional, Karatzas, Kostas, additional, Voth, Sascha, additional, Bassoukos, Anastasios, additional, Moßgraber, Jürgen, additional, Karppinen, Ari, additional, Kukkonen, Jaakko, additional, and Kompatsiaris, Ioannis, additional

Published
2014
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11. Environmental data extraction from multimedia resources

Author

Moumtzidou, Anastasia, primary, Epitropou, Victor, additional, Vrochidis, Stefanos, additional, Voth, Sascha, additional, Bassoukos, Anastasios, additional, Karatzas, Kostas, additional, Moßgraber, Jürgen, additional, Kompatsiaris, Ioannis, additional, Karppinen, Ari, additional, and Kukkonen, Jaakko, additional

Published
2012
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15. Java multithreading-based parallel approximate arrow-type inverses.

Author

Gravvanis, George A. and Epitropou, Victor N.

Subjects
JAVA programming language, MULTIPROCESSORS, ELECTRONIC data processing, PARALLEL algorithms, MATRIX inversion, PARALLEL programming, SIMULTANEOUS multithreading processors, CONJUGATE gradient methods
Abstract

A new parallel shared memory Java multithreaded design and implementation of the explicit approximate inverse preconditioning, for efficiently solving arrow-type linear systems on symmetric multiprocessor systems (SMPs), is presented. A new parallel algorithm for computing a class of optimized approximate arrow-type inverse matrix is introduced. The performance on an SMP, using Java multithreading, is investigated by solving arrow-type linear systems and numerical results are given. The parallel performance of the construction of the optimized approximate inverse and the explicit preconditioned generalized conjugate gradient square scheme, using a dynamic workload scheduling, is also presented. Copyright © 2007 John Wiley & Sons, Ltd. [ABSTRACT FROM AUTHOR]

Published
2008
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