Abstract. The CoAKTinG project aims to advance the state of the art in collaborative mediated spaces for the Semantic Grid. This paper presents an overview of the hypertext and knowledge based tools which have been deployed to augment existing collaborative environments, and the ontology which is used to exchange structure, promote enhanced process tracking, and aid navigation of resources before, after, and while a collaboration occurs. While the primary focus of the project has been supporting e-Science, this paper also explores the similarities and application of CoAKTinG technologies as part of a human-centred design approach to e-Learning.
Distributed geographic information systems typically handle large amounts of data; therefore the transmission and visualisation techniques used need to be scaleable to provide quick, interactive feedback. In this paper, we introduce such techniques based on the data hierarchy (levels of detail). Namely, we describe focus-and-context visualisation and progressive transmission. The main aim of this paper is to discuss the combination of these techniques for different data types and for mixture of these data types.
We take the view of 'learning as a conversational process', and argue that this can be extended to include the notions of peer-group interactions among students, tutors, and even artificial agents. This in turn lends itself to an approach to distributed conversation which builds upon modern Instant Messaging tools, and extends such tools to include what we call enhanced presence: a way of monitoring the availability of (and interacting with) fellow students and tutors at a distance. We describe a scenario being developed in the recently-started European Learning Grid Infrastructure 'ELeGI' project, deploying our own BuddySpace tools, and describe the novel contributions that this approach can bring to e-learning.
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