Although most online learning environments are predominately text based, researchers have argued that representational support for the conceptual structure of a problem would addr...
Daniel D. Suthers, Ravi K. Vatrapu, Richard Medina...
We present in this article a precise security model for data confidentiality in the framework of ASP (Asynchronous Sequential Processes). ASP is based on active objects, asynchro...
In this paper, we describe the Vannotea system - an application designed to enable collaborating groups to discuss and annotate collections of high quality images, video, audio or...
Ronald Schroeter, Jane Hunter, Jonathon Guerin, Im...
Our experience with Internet-based scientific collaboratories indicates that they need to be user-extensible, allow users to add tools and objects dynamically to shared workspaces...
Jang Ho Lee, Atul Prakash, Trent Jaeger, Gwobaw Wu
Collaborative authoring is a common workplace task. Yet, despite improvements in word processors, communication software, and file sharing, many problems continue to plague co-aut...