1. An Exploratory Study of Visual Information Analysis Petra Isenberg Dept. of Computer Science University of Calgary Calgary, AB, Canada petra.isenberg@ucalgary.ca Anthony Tang HCT Lab University of British Columbia Vancouver, BC, Canada tonyt@ece.ubc.ca Sheelagh Carpendale Dept. of Computer Science University of Calgary Calgary, AB, Canada sheelagh@ucalgary.ca

2. A Study of the Information Analysis Process (With Paper!)

3. 1. Browse

4. 2. Parse

5. 3. Discuss Collaboration Style 4. Establish Task Strategy

6. 5. Clarify

7. 6. Select

8. 7. Operate 8. Validate

9. Temporal Sequence of Processes

10. Interactive Tree Comparison for Co-located Collaborative Information Visualization Petra Isenberg Dept. of Computer Science University of Calgary Calgary, AB, Canada petra.isenberg@ucalgary.ca Sheelagh Carpendale Dept. of Computer Science University of Calgary Calgary, AB, Canada sheelagh@ucalgary.ca

11. Co-located collaborative information visualization in action!

12. Hardware and System Setup Configuration Input Resolution Interactive Response Size

13. Information Visualizations Radial Tree Cladogram

14. Supporting Mental Models Drop a visualization on a storage container Automatically resize and place visualization

15. Representation Changes Switching a visualization

16. Workspace Organization and Collaboration Styles Looking at visualizations individually Looking at visualizations together

17. Interactive sticky notes Direct annotation Communication

18. Data Task

20. Collaboration Styles Parallel WorkJoint Work

21. Lark: Coordinating Co-located Collaboration with Information Visualization Matthew Tobiasz Dept. of Computer Science University of Calgary Calgary, AB, Canada tobiasz@ucalgary.ca Petra Isenberg Dept. of Computer Science University of Calgary Calgary, AB, Canada petra.isenberg@ucalgary.ca Sheelagh Carpendale Dept. of Computer Science University of Calgary Calgary, AB, Canada sheelagh@ucalgary.ca

22. Lark’s collaborative information visualization environment

23. Pipeline Representation

24. Visualization Pipeline Branch

25. Parallel Work

26. Joint Work

27. References 1. P. Isenberg and S. Carpendale. Interactive tree comparison for co-located collaborative information visualization. IEEE Transactions on Visualization and Computer Graphics, 13(6):1232–1239, 2007. 2. P. Isenberg, A. Tang, and S. Carpendale. An exploratory study of visual information analysis. In CHI ’08: Proceeding of the twenty-sixth annual SIGCHI conference on Human factors in computing systems, pages 1217– 1226, New York, NY, USA, 2008. ACM. 3. M. Tobiasz, P. Isenberg, and S. Carpendale. Lark: Coordinating Co-located Collaboration with Information Visualization.