Navigation through large multimedia collections that include videos and images still remains a hard problem. In this paper, we introduce a novel method to visualize and navigate t...
At its most basic, the web allows for two modes of access: visual and non-visual. For the most part, our design attention is focused on making decisions that affect the visual, or...
In this paper we ask to what extent collective cognition can be supported and sustained in classroom practices. One major challenge for learning in technology-rich, collaborative ...
Learning effectiveness depends on a large range of parameters. Learners’ activity has an important impact on long-term learning and comprehension of difficult concepts [1]. Coll...
In this paper, we describe recent work in developing a peer-topeer collaborative environment. The study examines various locking mechanisms/policies by adjusting the granularity o...