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SIGGRAPH
1994
ACM
14 years 2 months ago
1994
ACM
We present an approach for accelerating hierarchical radiosity by clustering objects. Previous approaches constructed effective hierarchies by subdividing surfaces, but could not ...
UIST
1994
ACM
14 years 2 months ago
1994
ACM
The human visual system makes a great deal more of images than the elemental marks on a surface. In the course of viewing, creating, or editing a picture, we actively construct a ...
VLDB
1994
ACM
14 years 2 months ago
1994
ACM
We propose a new R-tree structure that outperforms all the older ones. The heart of the idea is to facilitate the deferred splitting approach in R-trees. This is done by proposing...
AIED
2007
Springer
14 years 2 months ago
2007
Springer
Previous research on the use of diagrams for argumentation instruction has highlighted, but not conclusively demonstrated, their potential benefits. We examine the relative benefit...
COMPSYSTECH
2007
14 years 2 months ago
2007
: Internet offers a huge amount of didactic materials that can be used in creating new online courses. However, those materials need a deep analysis to understand their context and...