Relate-Create-Donate: Educational strategies for the post-TV era Ben Shneiderman Head, Human-Computer Interaction Laboratory Professor, Department of Computer Science Member, Institute for Systems Research University of Maryland College Park,

Information Visualization: Tasks

ZOverview Gain an overview of the entire collection

ZZoom Zoom in on items of interest

ZFilter Filter out uninteresting items

ZDetails-on-demand Select an item or group and
get details when needed

ZRelate View relationships among items

ZHistory Keep a history of actions to support
undo, replay, and progressive refinement

ZExtract Allow extraction of sub-collections and
of the query parameters