1. Randall Davis Howard Shrobe
Rationale Capture: Preserving the Thought Process, Not Just the Conclusion
Randall Davis
Howard Shrobe

2. Our Goal
Design tools that capture the decision process as well as the result
Design tools that interact in familiar ways
Design tools for the conceptual design stage

3. Our Model The designer sketches with pen and paper
The observer interprets the sketch
The observer and designer interact

4. Live Sketching: A Beginning

5. Live Sketching: A Beginning

6. Live Sketching: A Beginning

7. Live Sketching: A Beginning

8. Naturally Conveyed Explanations

10. “When body 3 moves up
Spring 1 releases”

11. An Intelligent Assistant...
needs to understand:
how to interpret a sketch
how to infer causal behavior from structure
how to interpret gestures and verbal descriptions of behavior
how to simulate without numbers