1. User Interfaces for DGRC Steven Feiner Surabhan Temiyabutr Department of Computer Science Columbia University New York, NY 10027 feiner@cs.columbia.edu Supported by NSF Grant EIA-9876739 Presentation to DGRC Evaluation Board, April 5, 2002

2. 2 Approach Maintain FY1 “Energy” User Interface Use as control in experiments Develop DGRC User Interface Testbed Apply to Energy data Census data

3. 3 FY1 “Energy” User Interface

4. 4 Maintenance Reimplement backend Interface with new ISI API

5. 5 DGRC User Interface Testbed Web applet

6. 6 DGRC User Interface Testbed Menu unrolled Ontology entry shown for selected item Located as near as possible Color coding shows parental and semantic relationships

7. 7 DGRC User Interface Testbed Menu unrolled Ontology entry shown for selected item Located as near as possible Color coding shows parental and semantic relationships

8. 8 DGRC User Interface Testbed Menu unrolled Ontology entry shown for selected item Located as near as possible Color coding shows parental and semantic relationships

9. 9 DGRC User Interface Testbed Menu unrolled Ontology entry shown for selected item Located as near as possible Color coding shows parental and semantic relationships

10. 10 DGRC User Interface Testbed Menu unrolled Ontology entry shown for selected item Located as near as possible Color coding shows parental and semantic relationships

11. 11 DGRC User Interface Testbed Fisheye magnification of region of interest Magnified group laid out to avoid internal overlap

12. 12 DGRC User Interface Testbed Fisheye magnification of region of interest Magnified group laid out to avoid internal overlap