RIES stands for Rijnland Internet Election System. It is an online voting system that has been used twice in the fall of 2004 for in total over two million potential voters. In th...
This paper considers the small-world phenomenon in two contexts: ubiquitous computing and security. We argue that small-world properties emerge in ubicomp systems due to their nat...
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
: In this paper, we discuss our challenge on how to give the creatures and ability to follow spatial restriction while keeping the complexity low enough to still allow for real-tim...
We consider the problem of how one can estimate the support of Boolean queries given a collection of frequent itemsets. We describe an algorithm that truncates the inclusion-exclus...