In a question answering (QA) system, the fundamental problem is how to measure the distance between a question and an answer, hence ranking different answers. We demonstrate that s...
Co-ordination is seen as a fundamental aspect of organisational activity where computers can help. This is motivated by the need to reconcile the conflicts that arise from the div...
An information?theoretic model for image watermarking and data hiding systems is presented in this paper. The fundamental capacity limits of these systems are determined by the st...
Abstract. This article presents a proposal for managing privacy in pervasive environments. These environments are capable of sensing personal information anywhere and at anytime. T...
Abraham Esquivel, Pablo A. Haya, Manuel Garc&iacut...
Large information spaces are often difficult to access efficiently and intuitively. We are exploring Pad++, a graphical interface system based on zooming, as an alternative to tra...