Anna Fredrikson
Catherine Plaisant
Ben Shneiderman
ABSTRACT
Information visualization displays can hold a limited number of data points, typically a few thousand, before they get crowded. One way to solve this problem with larger data sets is to create aggregates. Aggregations were used together with the Snap-Together Visualization system to coordinate the visual displays of aggregates and their content. If two displays each hold one thousand items then rapid access and visibility can be maintained for a million points. This paper presents examples based on a database of highway incident data.
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Index Terms
- Temporal, geographical and categorical aggregations viewed through coordinated displays: a case study with highway incident data
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