Abstract. Extensive research has been carried out in search for an efcient atomic commit protocol and many optimizations have been suggested to improve the basic two-phase commit p...
George Samaras, George K. Kyrou, Panos K. Chrysant...
Abstract. The real world we live in is mostly perceived through an incredibly large collection of views generated by humans, machines, and other systems. This is the view reality. ...
Nick Roussopoulos, Yannis Kotidis, Alexandros Labr...
One of the most rapidly evolving e-services is e-Learning, that is, the creation of advanced educational resources that are accessible on-line and, potentially, offer numerous adva...
Fotis Kokkoras, Demetrios G. Sampson, Ioannis P. V...
Formal modeling of complex systems is a non-trivial task, especially if a formal method does not facilitate separate development of the components of a system. This paper describes...
Petros Kefalas, George Eleftherakis, Evangelos Keh...
Abstract. This paper extends previous studies that investigated the accessibility of different web sites of specific content, to an analysis of the whole web of a specific country ...
The Internet Protocol suite is emerging as the ubiquitous communication platform for almost every conceivable information exchange. Hence, a worldwide effort to support IP functio...
We demonstrate that an algorithm proposed by Drineas et. al. in [7] to approximate the singular vectors/values of a matrix A, is not only of theoretical interest but also a fast, v...
Earthquake phenomena constitute a rich source of information over the years. Typically, the frequency of earthquakes worldwide is one every second. Collecting and querying seismic ...