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» Computational Effects in Topological Domain Theory
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SMA
2006
ACM
101views Solid Modeling» more  SMA 2006»
16 years 2 hour ago
A higher dimensional formulation for robust and interactive distance queries
We present an efficient and robust algorithm for computing the minimum distance between a point and freeform curve or surface by lifting the problem into a higher dimension. This...
Joon-Kyung Seong, David E. Johnson, Elaine Cohen
AIED
2007
Springer
16 years 7 days ago
Beyond the code-and-count analysis of tutoring dialogues
In this paper, we raise a methodological issue concerning the empirical analysis of tutoring dialogues: The frequencies of tutoring moves do not necessarily reveal their causal ef...
Stellan Ohlsson, Barbara Di Eugenio, Bettina Chow,...
AINA
2009
IEEE
16 years 26 days ago
Similarity Search over DNS Query Streams for Email Worm Detection
Email worms continue to be a persistent problem, indicating that current approaches against this class of selfpropagating malicious code yield rather meagre results. Additionally,...
Nikolaos Chatzis, Nevil Brownlee
VISSYM
2007
15 years 8 months ago
Grouse: Feature-Based, Steerable Graph Hierarchy Exploration
Grouse is a feature-based approach to steerable exploration of a graph and an associated hierarchy. Steerability allows exploration to begin immediately, rather than requiring a c...
Daniel Archambault, Tamara Munzner, David Auber
SIAMNUM
2010
129views more  SIAMNUM 2010»
15 years 24 days ago
Convergence of an Adaptive Finite Element Method for Controlling Local Energy Errors
A number of works concerning rigorous convergence theory for adaptive finite element methods (AFEM) for controlling global energy errors have appeared in recent years. However, man...
Alan Demlow