Information linkage is becoming more and more important in this digital age. In this paper, we propose a concept tracking method, which links the news stories with the same topic ...
We present the first group signature scheme with provable security and signature size O(λ) bits where the group manager, the group members, and the Open Authority (OA) are all id...
With the advent of XML and its use as a database language, dependency and normal form theory has attracted novel research interest. Several approaches to build up a dependency and...
In this paper, we describe progress we have made toward providing cognitive tutoring to students within a collaborative software environment. First, we have integrated a collaborat...
Andreas Harrer, Bruce M. McLaren, Erin Walker, Lar...
Abstract. When dealing with real systems, it is unrealistic to suppose that observations can be totally ordered according to their emission dates. The partially ordered observation...
Alban Grastien, Marie-Odile Cordier, Christine Lar...