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Summary: Vizster: Visualizing Online Social Networks
Jeffrey Heer
Computer Science Division
University of California, Berkeley
danah boyd
School of Information Management and Systems
University of California, Berkeley
ABSTRACT
Recent years have witnessed the dramatic popularity of online
social networking services, in which millions of members publicly
articulate mutual "friendship" relations. Guided by ethnographic
research of these online communities, we have designed and
implemented a visualization system for playful end-user
exploration and navigation of large-scale online social networks.
Our design builds upon familiar node-link network layouts to
contribute customized techniques for exploring connectivity in
large graph structures, supporting visual search and analysis, and
automatically identifying and visualizing community structures.
Both public installation and controlled studies of the system
provide evidence of the system's usability, capacity for facilitating
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