Enhanced Dynamic Queries via
Movable Filters
- Ken Fishkin, Maureen C. Stone
Magic Lens
Starfield Display
(interactive filtering, zooming)
+
Movable Filter
(multiple simultaneous queries)
Advantages
• Boolean Querying
• Magnification while maintaining global
context
• Multiple simultaneous views
• Real Valued data
• Missing Data
Magic Lens
Boolean querying
F1 AND F2; F1 OR F2; NOT F1
Lens = ( Filter function, Composition Mode)
L1 = F2
L2 = (F1,AND)
Boolean Querying
Compound lens
f( ) = (F1 AND F2) OR (F3 AND F4)
Click through button
C1 = F1 AND F2
C2 = F3 AND F4
f( ) = C1 OR C2
Magnify and Call-out
Multiple Views
Real Valued Queries
Missing Data
HCI Metrics
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•
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High Learnability
High Throughput
Initial User Satisfaction
User Retention over time
Easy Error- recovery
Other methods
• No new concepts involved
(as in Parallel co-ordinates)
• No fiddling with the axes
(as in Star co-ordinates)
• Limited amount of data
(as in Table Lens)
• Missing Data
Thank You