Undergraduate students' perceptions of their presences in online learning environments are critical in creating online courses that can best enhance their learning. Hence, understanding how learners perceive their presences in the online environment could assist course designers and instructors in creating quality online learning experiences. The…

Anomaly detection is an important and indispensable aspect of any computer security mechanism. Ad hoc and mobile networks consist of a number of peer mobile nodes that are capable of communicating with each other absent a fixed infrastructure. Arbitrary node movements and lack of centralized control make them vulnerable to a wide variety of…

This study explored social presence and interactivity in an online undergraduate program designed for adult students. Although social presence and interactivity have been shown to be important contributors to student satisfaction, and therefore essential to student recruitment and retention in online programs, the ultimate goal for the examination…