Dennis Roubos

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Blood samples from 12 Shorthorn heifers, fed a grass silage ration and housed indoors or outdoors, were assayed for 25-hydroxyvitamin D during 9 mo. There was more in plasma during the summer from the outdoor group, reflecting a greater exposure to ultraviolet light and dermal synthesis of vitamin D, the precursor of 25-hydroxyvitamin D. In another(More)
The research area of multimedia content analysis (MMCA) considers all aspects of the automated extraction of knowledge from multimedia archives and data streams. To adhere to strict time constraints, large-scale multimedia applications typically are being executed on distributed systems consisting of large collections of compute clusters. In a distributed(More)
The application and research area of Multimedia Content Analysis (MMCA) considers all aspects of the automated extraction of new knowledge from large multimedia data streams and archives. In recent years, there has been a tremendous growth in the MMCA application domain (for real-time and off-line execution scenarios alike), and this growth is likely to(More)
The research area of multimedia content analysis (MMCA) considers all aspects of the automated extraction of new knowledge from large multimedia data streams and archives. In recent years, there has been a tremendous growth (in data and computational demands) in the MMCA domain, and this growth is likely to continue in the near future. Multimedia(More)
The applications of Multimedia content analysis (MMCA) operating in real-time environments must run under very strict time constraints, e.g. to analyze video frames at the same time as a camera produces them. To meet these requirements, largescale multimedia applications typically are being executed on Grid systems consisting of large collections of compute(More)
A. Pakou,1 K. Rusek,2 N. Alamanos,3 X. Aslanoglou,1 S. Harissopulos,4 M. Kokkoris,5 A. Lagoyannis,4 T. J. Mertzimekis,1 A. Musumarra,6 N. G. Nicolis,1 C. Papachristodoulou,1 D. Pierroutsakou,7 and D. Roubos1 1Department of Physics, University of Ioannina, GR-45110 Ioannina, Greece 2Department of Nuclear Reactions, Andrzej Sołtan Institute for Nuclear(More)
Modern call centers deal with a wide variety of service requests from customers. This is partly due to the increasingly divers range of products that companies have, but also because of the many ways that a call center can be contacted (telephone, email, IM, etc.). In the past, agents were trained to deal with all possible types of calls that could arrive(More)