This article describes preliminary work on a research environment called Virtus that is a web-based learning system tailored to enhance group working and collaborative learning. W...
As XML finds its place in information technology, query languages for XML attract much attention. Among them XPath is the most known. This article reveals a surprising fact that ...
Automatic image annotation has attracted a lot of attention recently as a method for facilitating semantic indexing and text-based retrieval of visual content. In this paper, we pr...
Abstract. Problems of secure communication and computation have been studied extensively in network models, for example, Franklin and Yung have studied secure communications in the...
If a malicious party can insert a self-issued CA public key into the list of root public keys stored in a PC, then this party could potentially do considerable harm to that PC. In ...