— Virtual Private Networks (VPN) provide a secure and reliable communication between customer sites over a shared network. Two models were proposed for the service provisioning i...
Since few years, several applications are proposed on mobile devices. However, these applications are not aware of their physical environment. The emergence of wireless sensors, a...
Sequence data are abundant in application areas such as computational biology, environmental sciences, and telecommunications. Many real-life sequences have a strong segmental str...
This paper discusses a new method for visualisation of large and complex networks in three dimensions. In particular, we focus on visualising the core tree structure of the large a...
In this paper, a method for content-based retrieval of JPEG images is presented, utilizing features directly from the discrete cosine transform (DCT) domain. Image indexing is ach...
Christos Theoharatos, Vassilios K. Pothos, George ...