In this article, we present a simple yet accurate generic analytical model for a family of slotted carrier sense multiple access with collision avoidance (CSMA/CA) based medium ac...
Abstract. Mobile agent systems provide new perspectives for distributed e-commerce applications. These applications may present specific restrictions, making mobile agent systems ...
Guillermo Navarro, Jose A. Ortega-Ruiz, Joan Ametl...
Online social network sites, such as MySpace, Facebook and others have grown rapidly, with hundreds of millions of active users. A new feature on many sites is social applications...
Andrew Besmer, Heather Richter Lipford, Mohamed Sh...
In this paper we want to share our experiences with implementing a scheme that enforces role based access control in a distributed, heterogeneous computing environment. This work ...
In conventional security systems, protected resources such as documents, hardware devices and software applications follow an On/Off access policy. On, allows to grant access and ...