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Developed at Pacific Northwest National Laboratory, the Starstruck visualization has two goals: 1) represent differing levels of granularity in information spaces and 2) give meaning to the shape of clusters in the information space.

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Document Title: Starstruck
Category: Computer Science
Media Type: Photos
Date of Image/Photo: March 1998
Background: In the Starstruck visualization, each document is represented as a planar starburst of topic rays. The length of each ray indicates the strength of the corresponding topic or theme in that document. The order of the theme rays from the 12 o'clock position clockwise is the same for each document; they are ordered such that themes that tend to occur together in the document collection will be near each other in the planar starburst, making it easier to identify areas of theme strength and theme weakness. The visualization is intended to show thematic patterns over a group or cluster of documents. The individual planar starbursts for the group are aligned along an invisible rod in space. When the view is changed to look down that rod, all the starbursts are shown superimposed, and the shape of the group representation gives a clear impression of the thematic distribution within that group. By varying the view rotation, the user can switch from seeing the thematic strengths of the group as a whole to panning over individual documents.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/SMAA-45WSFL

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