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» A Comparative Study of Some Generalized Rough Approximations
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PODS
2000
ACM
146views Database» more  PODS 2000»
15 years 6 months ago
Analysis and Application of Adaptive Sampling
An estimation algorithm for a query is a probabilistic algorithm that computes an approximation for the size (number of tuples) of the query. One class of estimation algorithms us...
James F. Lynch
COMGEO
2012
ACM
13 years 9 months ago
Preserving geometric properties in reconstructing regions from internal and nearby points
The problem of reconstructing a region from a set of sample points is common in many geometric applications, including computer vision. It is very helpful to be able to guarantee ...
Ernest Davis
EXPERT
1998
86views more  EXPERT 1998»
15 years 1 months ago
IMACS: A Case Study in Real-World Planning
This article illustrates the complexities of real-world planning and how we can create AI planning systems to address them. We describe the IMACS Project (Interactive Manufacturab...
Satyandra K. Gupta, Dana S. Nau, William C. Regli
JSCIC
2008
98views more  JSCIC 2008»
15 years 1 months ago
A Posteriori Error Estimates for Parabolic Variational Inequalities
We study a posteriori error estimates in the energy norm for some parabolic obstacle problems discretized with a Euler implicit time scheme combined with a finite element spatial ...
Yves Achdou, Frédéric Hecht, David P...
166
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PODS
2011
ACM
220views Database» more  PODS 2011»
14 years 4 months ago
Maximizing conjunctive views in deletion propagation
In deletion propagation, tuples from the database are deleted in order to reflect the deletion of a tuple from the view. Such an operation may result in the (often necessary) del...
Benny Kimelfeld, Jan Vondrák, Ryan Williams