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Carlea Holl-Jensen||cholljen@umd.edu


HCIL-94-08

Asahi, T., Turo, D., Shneiderman, B. (June 1994)
Using Treemaps to Visualize the Analytic Hierarchy Process
Information Systems Research, vol. 6, 4 (Dec. 1995) 357-375.
HCIL-94-08, CS-TR-3293, CAR-TR-719, ISR-TR-94-57.

Treemaps, a visualization method for large hierarchical data spaces, are used to augment the capabilities of the Analytic Hierarchy Process (AHP) for decision-making. Two direct manipulation tools, presented metamorphically as a "pump" and a "hook," were developed and applied to the treemap to support AHP sensitivity analysis. A usability study was conducted using a prototype AHP application; results showed that treemap representation of decision-support tools was acceptable for AHP users from both a visualization and data operation standpoint. Subjective preferences were high for AHP treemaps.


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