Overviews: Shneiderman mantra


overview first,
then zoom and filter,
details-on-demand

   The Eyes Have It: A Task by Data Type Taxonomy for Information Visualizations. 
   Ben Shneiderman, Proc. 1996 IEEE Visual Languages, also Maryland HCIL TR 96-13
   ftp://ftp.cs.umd.edu/pub/hcil/Reports-Abstracts-Bibliography/96-13html/96-13.html

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