Treemap representations of higher order information for moving objects

Conference Publication ResearchOnline@JCU
Wang, Ye;Lee, Joanne;Lee, Ickjai
Abstract

Higher order Voronoi diagram is a popular way to model higher order information for complex decision making such as "what-if" analysis. Visualising higher order information for moving objects is a challenging task due to the marriage between higher order complexity and dynamic nature of moving objects. Treemap is a popular visualisation method to display hierarchical information as a set of nested rectangles, and it is a solid candidate for visualising higher order information. Previous researchers have got less attention to build up treemap with higher order information. This study presents a robust way to represent higher order information for moving objects through treemaps. We emphatically experiment well-studied 7 different treemap layouts for higher order information of moving objects, and evaluate their performance with two metric measures: aspect ratio and distance change.

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Publication Name

IEEE ISKE 2015: 10th International Conference on Intelligent Systems and Knowledge Engineering

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ISBN/ISSN

978-1-4673-9322-5

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Pages Count

8

Location

Taipei, Taiwan

Publisher

Institute of Electrical and Electronics Engineers

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Publisher Location

Piscataway, NJ, USA

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Date

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DOI

10.1109/ISKE.2015.49