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117
Voted
ISAAC
2005
Springer
15 years 10 months ago
2005
Springer
We develop exact and approximate algorithms for computing optimal separators and measuring the extent to which two point sets in d-dimensional space are separated, with respect to...
159
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ADBIS
1994
Springer
15 years 9 months ago
1994
Springer
The data structures suitable for indexing of large spatial objects in databases are considered. Some generalizations of existing tree methods concerned approximation of spatial ob...
143
Voted
IPL
2008
15 years 5 months ago
2008
The Positive-Negative Partial Set Cover problem is introduced and its complexity, especially the hardness-of-approximation, is studied. The problem generalizes the Set Cover probl...
145
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SIAMNUM
2010
14 years 11 months ago
2010
In this paper, we first study two flux recovery procedures for the conforming finite element approximation to general second-order elliptic partial differential equations. One is a...
157
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STOC
2006
ACM
16 years 5 months ago
2006
ACM
We present a new data structure that facilitates approximate nearest neighbor searches on a dynamic set of points in a metric space that has a bounded doubling dimension. Our data...