Mining data streams is important in both science and commerce. Two major challenges are (1) the data may grow without limit so that it is difficult to retain a long history; and (...
We present an architecture and a set of challenges for peer database management systems. These systems team up to build a network of nodes (peers) that coordinate at run time most...
—Countless challenges to preserving a user’s location privacy exist and have become more important than ever before with the proliferation of handheld devices and the pervasive...
In cryptography it is assumed that adversaries only have black box access to the secret keys of honest parties. In real life, however, the black box approach is not sufficient beca...
Pim Tuyls, Geert Jan Schrijen, Boris Skoric, Jan v...
In the first part of this paper, we present a framework for enriching arbitrary upper or domain-specific ontologies with a concept of time. To do so, we need the notion of a time ...