Today, most cooperative systems support primarily either asynchronous or synchronous (real time) cooperative work. We feel that both synchronous and asynchronous cooperation are e...
It is well understood that Mobile Ad Hoc Networks (MANETs) are extremely susceptible to a variety of attacks, and traditional security mechanisms do not work well. Many security sc...
Online communities are extremely popular; yet most of them still rely primarily on text for knowledge creation and communication. This paper describes a graphical webpoll prototyp...
Privacy is extremely important in healthcare systems. Unfortunately, most of the solutions already deployed are developed empirically. After discussing some of such existing solut...
The open nature of collaborative recommender systems allows attackers who inject biased profile data to have a significant impact on the recommendations produced. Standard memory-...