Big Point

Lag between research and market

Power and limits of hierarchy

Large differences in expressive power between SQL and a map/image

Human-computer symbiosis

Main evaluation criteria: time, accuracy/error, satisfaction

Tools need ‘natural’ mappings to be really useful

Questions

Where to find more on DQs?

Relationship between semantic mapping and semantic web?

Any studies of learning styles?

How communication and info merge in different ways/venues and how to measure

How to determine/create a good visual metaphor?

Have search engines used visualizations?

2. Eick paper---as lead in to t-logs

3. Case #1 BLS and Fedstats designs

user needs assessmentà task/user taxonomy

OV/PV and portal metaphor design and usability test

Relation Browser design and usability test

RB revision and usability test

Reflections and new user needs assessment

4. Interface tour. VR walkthrough http://www.stoa.org/metis/

5. Readings

Hyperbolic browser: Read Lamping & Rao (ACM DL) (recall video from last week)
WebToc: Read Nation et al. ftp://ftp.cs.umd.edu/pub/hcil/Demos/WebTOC/Paper/WebTOC.html
Fisheye views: Furnas (ACM DL)

6. Readings for next meeting:
Evaluating interaction: Read Koenemann & Belkin (ACM DL)
Evaluating video skims: Read Christel et al. (ACM DL)
Integrating user studies: Read Marchionini & Mu (draft submission) handout
Universal access: Read Chisholm, Vanderheiden, & Jacobs (ACM DL)

7. One-minute paper

What was the big point you learned in class today?

What is the main, unanswered question you leave class with today?