I.E. Foukarakis

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Service discovery and service composition constitute challenging tasks of service provisioning. Service composition is especially gaining on importance, as it can produce new composite services with features not present in the individual services. Many methods have been proposed over the years to address these issues. Simple Mobile Services (SMS) is a(More)
Terrestrial digital video broadcasting (DVB-T) network planning is the main interest of this article, along with a case study for Greece. The basic principles and the guidelines of the DVB-T planning process are presented, in conjunction with their application to the establishment of the Greek DVB-T allotment plan. The procedures described in this article(More)
The purpose of this article is to present a distributed computing framework that is used as a purely Web-based simulation environment for antenna array modeling. The framework adopts a three-tier architecture. The front-end part is mainly based on dynamic Web pages for the selection of antenna parameters, enhanced by the VRML standard for visualization of(More)
When reading a text document, knowledge workers have to "manually" look for additional information: they decide on concepts to further explore, access a Web search engine, form a query and compose the search results with the original document. In this paper, we propose a framework aiming at transforming electronic documents from passive pieces of(More)
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