Information visualisation very often requires good navigation aids on large trees, which represent the underlying abstract information. Using trees for information visualisation requires novel user interface techniques, visual clues, and navigational aids. This paper describes a visual clue for trees as well as an automatic folding (clustering) technique, both based on some mathematical concepts and results in combinatorics. Examples are shown how these techniques can be used, and what the further challenges in this area are.

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Information Systems [INS]
Standardization and Knowledge Transfer

Herman, I, Delest, M, & Melançon, G. (1998). Tree visualisation and navigation clues for information visualisation. Information Systems [INS]. CWI.