IEEE Transactions on Visualization and Computer Graphics
Arc Diagrams: Visualizing Structure in Strings
INFOVIS '02 Proceedings of the IEEE Symposium on Information Visualization (InfoVis'02)
User Studies: Why, How, and When?
IEEE Computer Graphics and Applications
Supporting visual queries on medium-sized node-link diagrams
Information Visualization
Dynamic Visualization of Graphs with Extended Labels
INFOVIS '05 Proceedings of the Proceedings of the 2005 IEEE Symposium on Information Visualization
Toward Measuring Visualization Insight
IEEE Computer Graphics and Applications
Just how dense are dense graphs in the real world?: a methodological note
Proceedings of the 2006 AVI workshop on BEyond time and errors: novel evaluation methods for information visualization
Hierarchical Edge Bundles: Visualization of Adjacency Relations in Hierarchical Data
IEEE Transactions on Visualization and Computer Graphics
Visualizing graphs in three dimensions
ACM Transactions on Applied Perception (TAP)
EdgeLens: an interactive method for managing edge congestion in graphs
INFOVIS'03 Proceedings of the Ninth annual IEEE conference on Information visualization
Thread arcs: an email thread visualization
INFOVIS'03 Proceedings of the Ninth annual IEEE conference on Information visualization
Comprehending parametric CAD models: an evaluation of two graphical user interfaces
Proceedings of the 6th Nordic Conference on Human-Computer Interaction: Extending Boundaries
VisTACO: visualizing tabletop collaboration
ACM International Conference on Interactive Tabletops and Surfaces
OntoTrix: a hybrid visualization for populated ontologies
Proceedings of the 20th international conference companion on World wide web
Evaluating partially drawn links for directed graph edges
GD'11 Proceedings of the 19th international conference on Graph Drawing
JigsawMap: connecting the past to the future by mapping historical textual cadasters
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
Exploring the design space of interactive link curvature in network diagrams
Proceedings of the International Working Conference on Advanced Visual Interfaces
An empirical study on the impact of edge bundling on user comprehension of graphs
Proceedings of the International Working Conference on Advanced Visual Interfaces
Visualizing explicit and implicit relations of complex information spaces
Information Visualization - Special issue on Visualization and Data Analysis 2011
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Graphs are often visualized using node-link representations: vertices are depicted as dots, edges are depicted as (poly)lines connecting two vertices. A directed edge running from vertex A to B is generally visualized using an arrow representation: a (poly)line with a triangular arrowhead at vertex B. Although this representation is intuitive, it is not guaranteed that a user is able to determine edge direction as quickly and unambiguously as possible; alternative representations that exhibit less occlusion and visual clutter might be better suited. To investigate this, we developed five additional directed-edge representations using combinations of shape and color. We performed a user study in which subjects performed different tasks on a collection of graphs using these representations and combinations thereof to investigate which representation is best in terms of speed and accuracy. We present our initial hypotheses, the outcome of the user studies, and recommendations regarding directed-edge visualization.