We investigate an application of RFIDs referred to in the literature as group scanning, in which several tags are "simultaneously" scanned by a reader device. Our goal is...
This paper reports our experience of evaluating an application that uses visualization approaches to support instructors in Web based distance education. The evaluation took place...
Abstract. We prove that a finitely generated group is context-free whenever its Cayleygraph has a decidable monadic second-order theory. Hence, by the seminal work of Muller and Sc...
This paper presents Worm-IT, a new intrusion-tolerant group communication system with a membership service and a view-synchronous atomic multicast primitive. The system is intrusi...
Miguel Correia, Nuno Ferreira Neves, Lau Cheuk Lun...
Abstract—Managing group membership in an ad hoc mcommerce trading forum is a challenging task as peers may only have partial knowledge of the current membership due to frequent n...