– Ad hoc m-commerce is an emerging way of conducting online trading wirelessly within dynamic network communities. However, participants in such systems are vulnerable to attacks...
Application or business logic, used in the development of services, has to do with the operations that define the application functionalities and not with the platform ones. Often...
In this paper, well-known attacks named oracle attacks are formulated within a realistic network communication model where they reveal to use suitable covert channels, we name orac...
Recommender systems provide users with personalized suggestions for products or services. These systems often rely on Collaborating Filtering (CF), where past transactions are ana...
This paper presents the adaptation model used in NUCLEO, a pilot e-learning environment that is currently being developed at the Complutense University of Madrid. The NUCLEO syste...