G-nome surfer: a tabletop interface for collaborative exploration of genomic data
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Enhancing genomic learning through tabletop interaction
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Modeling on the table: agent-based modeling in elementary school with NetTango
Proceedings of the 10th International Conference on Interaction Design and Children
Phylo-Genie: engaging students in collaborative 'tree-thinking' through tabletop techniques
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Computing Voronoi Treemaps: Faster, Simpler, and Resolution-independent
Computer Graphics Forum
International Journal of Human-Computer Studies
A collaborative environment for engaging novices in scientific inquiry
Proceedings of the 2012 ACM international conference on Interactive tabletops and surfaces
From big data to insights: opportunities and challenges for TEI in genomics
Proceedings of the 7th International Conference on Tangible, Embedded and Embodied Interaction
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Introduced in 2005, the Voronoi treemap algorithm is an information visualization technique for displaying hierarchical data. Voronoi treemaps use weighted, centroidal Voronoi diagrams to create a nested tessellation of convex polygons. However, despite appealing qualities, few real world examples of Voronoi treemaps exist. In this paper, we present a multi-touch tabletop application called Involv that uses the Voronoi treemap algorithm to create an interactive visualization for the Encyclopedia of Life. Involv is the result of a year-long iterative development process and includes over 1.2 million named species organized in a nine-level hierarchy. Working in the domain of life sciences, we have encountered the need to display supplemental hierarchical data to augment information in the treemap. Thus we propose an extension of the Voronoi treemap algorithm that employs force-directed graph drawing techniques both to guide the construction of the treemap and to overlay a supplemental hierarchy.