1. Graph Visualization and Navigation in Information Visualization: A Survey Ivan Herman, Guy Melaneon, M. Scott Marshall

2. Key Issues Size of graph Planarity Minimization of graph area Aesthetics Algorithm complexity Predictability

3. Traditional Layouts

4. 3D Layouts

5. Hyperbolic Layout

6. Hyperbolic Tree Layout

7. Navigation & Interaction Zoom & Pan Focus & Context Fisheye Hyperbolic layout 3D Mapping

8. Incremental Exploration & Navigation

9. Clustering Discovering groupings or classes in data based on a chosen semantics Structure-based Content-based

10. Hierarchical Clustering

11. Cluster representations Ghosting Hiding Grouping