In the framework of Knowledge Management, the Internet can be a valuable source of information to produce new Knowledge. Here, an ontologybased web search system to ease the enterp...
We propose a decentralized privacy-preserving approach to spam filtering. Our solution exploits robust digests to identify messages that are a slight variation of one another and ...
Ernesto Damiani, Sabrina De Capitani di Vimercati,...
We address the programmatic realization of the access control model of security in distributed systems. Our aim is e the gap between abstract/declarative policies and their concre...
Andrew Cirillo, Radha Jagadeesan, Corin Pitcher, J...
In this paper, we propose a new quantitative trust model for argumentation-based negotiating agents. The purpose of such a model is to provide a secure environment for agent negot...
The design and implementation of a national computing system and data grid has become a reachable goal from both the computer science and computational science point of view. A di...