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Rainbows is a method developed at Pacific Northwest National Laboratory for visually exploring multiple kinds of relationships among entities.

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Document Title: Rainbow
Category: Computer Science
Media Type: Photos
Date of Image/Photo: March 1998
Background: One of the strengths of this visualization is the way that it portrays three different classes of relationships. Entities (perhaps documents, perhaps people or concepts) are represented as small dots on a two-dimensional plane. Their location represents a summarization of one kind of relationship among them. A second class of relationship is shown as arcs above the plane. A white arc between two clusters indicates that such a relationship exists between entities within the clusters. The white arc can be expanded to show multiple colors in the spectrum, each indicating existence of a particular kind of relationship within this class. A third class of relationship is shown as arcs below the plane. Interactions allow the user to display relationships for particular entities, to display relationships of a given type, and to progressively show more detail about particular relationships.
URL of this page: http://picturethis.pnl.gov/picturet.nsf/by+id/SMAA-45WQ45

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