Cone Trees: animated 3D visualizations of hierarchical information
CHI '91 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Tree visualization with tree-maps: 2-d space-filling approach
ACM Transactions on Graphics (TOG)
Multitrees: enriching and reusing hierarchical structure
CHI '94 Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Graph Drawing: Algorithms for the Visualization of Graphs
Graph Drawing: Algorithms for the Visualization of Graphs
Graph Visualization and Navigation in Information Visualization: A Survey
IEEE Transactions on Visualization and Computer Graphics
Manipulating and documenting software structures using SHriMP views
ICSM '95 Proceedings of the International Conference on Software Maintenance
Bunch: A Clustering Tool for the Recovery and Maintenance of Software System Structures
ICSM '99 Proceedings of the IEEE International Conference on Software Maintenance
H3: laying out large directed graphs in 3D hyperbolic space
INFOVIS '97 Proceedings of the 1997 IEEE Symposium on Information Visualization (InfoVis '97)
A Space-Optimized Tree Visualization
INFOVIS '02 Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02)
TreeJuxtaposer: scalable tree comparison using Focus+Context with guaranteed visibility
ACM SIGGRAPH 2003 Papers
Elastic Hierarchies: Combining Treemaps and Node-Link Diagrams
INFOVIS '05 Proceedings of the Proceedings of the 2005 IEEE Symposium on Information Visualization
Extending taxonomic visualisation to incorporate synonymy and structural markers
Information Visualization - Special issue: Bioinformatics visualization
Hierarchical Edge Bundles: Visualization of Adjacency Relations in Hierarchical Data
IEEE Transactions on Visualization and Computer Graphics
Interactive Tree Comparison for Co-located Collaborative Information Visualization
IEEE Transactions on Visualization and Computer Graphics
Visualizing Changes of Hierarchical Data using Treemaps
IEEE Transactions on Visualization and Computer Graphics
IEEE Transactions on Software Engineering
CandidTree: visualizing structural uncertainty in similar hierarchies
Information Visualization
Filter co-ordinations for exploring multi-dimensional data
Journal of Visual Languages and Computing
Drawing (Complete) Binary Tanglegrams
Graph Drawing
Generalized Binary Tanglegrams: Algorithms and Applications
BICoB '09 Proceedings of the 1st International Conference on Bioinformatics and Computational Biology
Visual comparison of software architectures
Proceedings of the 5th international symposium on Software visualization
Untangling Tanglegrams: Comparing Trees by Their Drawings
IEEE/ACM Transactions on Computational Biology and Bioinformatics (TCBB)
A survey of multiple tree visualisation
Information Visualization
Model transformation analysis: staying ahead of the maintenance nightmare
ICMT'11 Proceedings of the 4th international conference on Theory and practice of model transformations
Interactive graph matching and visual comparison of graphs and clustered graphs
Proceedings of the International Working Conference on Advanced Visual Interfaces
Generalized k-ary tanglegrams on level graphs: A satisfiability-based approach and its evaluation
Discrete Applied Mathematics
Visualization techniques for schedule comparison
EuroVis'09 Proceedings of the 11th Eurographics / IEEE - VGTC conference on Visualization
Comparison of multiple weighted hierarchies: visual analytics for microbe community profiling
EuroVis'11 Proceedings of the 13th Eurographics / IEEE - VGTC conference on Visualization
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We provide a novel visualization method for the comparison of hierarchically organized data. Our technique visualizes a pair of hierarchies that are to be compared and simultaneously depicts how these hierarchies are related by explicitly visualizing the relations between matching subhierarchies. Elements that are unique to each hierarchy are shown, as well as the way in which hierarchy elements are relocated, split or joined. The relations between hierarchy elements are visualized using Hierarchical Edge Bundles (HEBs). HEBs reduce visual clutter, they visually emphasize the aforementioned splits, joins, and relocations of subhierarchies, and they provide an intuitive way in which users can interact with the relations. The focus throughout this paper is on the comparison of different versions of hierarchically organized software systems, but the technique is applicable to other kinds of hierarchical data as well. Various data sets of actual software systems are used to show how our technique can be employed to easily spot splits, joins, and relocations of elements, how sorting both hierarchies with respect to each other facilitates comparison tasks, and how user interaction is supported.