In order to manage and enforce multiple heterogeneous authorization policies in distributed authorization environment, we defined the root policy specification language and its cor...
Structured peer-to-peer overlay networks or Distributed Hash Tables (DHTs) are distributed systems optimized for storage and retrieval of read-only data. In this paper we elaborate...
In this report we describe the approach of the University of Twente to the 2006 GeoCLEF task. It is based on retrieval by content and the subsequent filtering by geographical rele...
Poster. We highlight the latest developments in the Argos project. First, we describe our approach to automatic workflow composition. Second, we discuss the validation of the fre...
The Oracle relational database management system, with object-oriented extensions and numerous applicationdriven enhancements, plays a critical role worldwide in managing the expl...