CS547 Human-Computer Interaction Seminar (Seminar on People, Computers, and Design)
Fridays 12:50-2:05 · Gates B01 · Open to the public
John Lamping||Ramana Rao · Xerox Parc||Xerox ParcVisualizing Large Information Structures using Focus+Context Techniques
March 10, 1995
In the last few years, Information Visualization research
at PARC and elsewhere has explored the application of interactive
graphics and animation technology to visualizing and making sense
of larger information sets than would otherwise be practical.
A common strategy of this research has been the use of Focus+Context
(or Fisheye) techniques, in which detailed views of particular
parts of an information set are blended in some way with a view
of the overall structure of the set and operations for dynamic
manipulation are provided. In this talk, we will present an account
of focus+context techniques and then spend more time on two particular
visualizations for dealing with large tables and hierarchies
respectively: the Table Lens and the Hyperbolic Tree Browser.
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Ramana Rao has worked at the Xerox Palo Alto Research Center
(PARC) since 1986. His research has focused primarily on user
interfaces for information access and visualization, paper user
interfaces and document imaging, object-oriented programming
and window systems. He is one of the principle designers of the
Common Lisp Interface Manager, a user interface programming interface
standard for Common Lisp. Prior to joining PARC, Ramana worked
at a startup company that developed presentation graphics applications
for the IBM PC and a consulting company that designed and built
a fault-tolerant file server for a major minicomputer company.
Ramana received his BS and MS degrees in computer science and
engineering from MIT.
John Lamping has been working at PARC since he received his
PhD from Stanford in 1987 (supervised by Terry Winograd). He
works on separating out various issues that are typically entangled
in computer science. His dissertation was about allowing first
class objects to retain some free parameters without operations
on the objects having to be aware of that fact. He's worked on
substitution without copying, closures without a commitment to
implementation, methods without a commitment to classes, natural
language semantics without a commitment to syntax, and graphics
without a commitment to Euclidean space.
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