Hierarchical Metadata:
- 8 branches at every level:
maps to keypad
- Organized into hierarchy
- Category > Rest. > Style >
Fast
Interaction
- Num. keypad navigates
metadata
- “Zooming” reinforces
metaphor
- Overview in center tile
gives context
- Free-form text entry when
needed
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User Studies
- Faster when specifics are unknown
- Increased accuracy over text entry
- Higher overall satisfaction ratings
- Animation aids understanding
Future Work
- New Data-sets: personal info, web, etc
- New devices: Cell-phone, Remote control,
ATM, PC Number pad, etc
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