This paper analyzes some of the factors that prevent knowledge construction and reuse in traditional library settings and describes VRef, an environment designed to provide users ...
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...
In this paper, we establish the need (based on literature and anecdotal evidence) for an infrastructure for CS1 courses to visually support problem solving from the initial proble...
Mohammad H. N. Tabrizi, Carol B. Collins, E. Ozan,...
The recent emergence of web mash-ups and open source software is driving the development of new practices in software and systems development. In this paper we explore novel pract...
Ingbert R. Floyd, M. Cameron Jones, Dinesh Rathi, ...
Computer Algebra Systems (CAS) provide sophisticated functionality to assist with mathematical problem solving. Despite their widespread adoption, however, little work in the HCI ...