Graph drawing by force-directed placement
Software—Practice & Experience
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In this paper, we describe a tool for displaying multiple network perspectives, where each perspective is a relation in which resources on the network are linked to others via a shared property. Every change or addition of perspective can be seen as a context switch, providing the actor with various navigation paths through a complex, multidimensional information space. This tool will attempt to capture and visualize the increasing amount of information coming available through the tools and standards currently being developed for the semantic web. As such, it may provide the learner means to explore, get to know and interact with her environment, fitting very well in a (social) constructivist approach of learning.