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Trees and graphs are relevant to many online tasks such as visualizing social networks, product catalogs, educational portals, digital libraries, the semantic web, concept maps and personalized information management. SpicyNodes is an information-visualization technology that builds upon existing research on radial tree layouts and graph structures. Users(More)
Introduction Mind maps and concept maps have long been used as teaching tools. Now, innovative Web-based technologies, like www.SpicyNodes.org, have made these tools available to distance educators and trainers. Online mind maps facilitate teaching complex and multifaceted topics while offering a visually rich and interactive interface that fuels students'(More)
Except where reference is made to the work of others, the work described in the thesis is my own or was done in collaboration with my advisory committee. This thesis does not include proprietary or classified information. Permission is granted to Auburn University to make copies of this thesis at its discretion, upon request of individuals or institutions(More)
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