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142
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FUN
2007
Springer
16 years 17 days ago
2007
Springer
We discuss some new geometric puzzles and the complexity of their extension to arbitrary sizes. For gate puzzles and two-layer puzzles we prove NP-completeness of solving them. No...
152
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HPCS
2005
IEEE
16 years 19 hour ago
2005
IEEE
Abstract— Optimization of a similarity metric is an essential component in most medical image registration approaches based on image intensities. In this paper, two new, determin...
169
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CPAIOR
2010
Springer
15 years 11 months ago
2010
Springer
We introduce an approach which combines ACO (Ant Colony Optimization) and IBM ILOG CP Optimizer for solving COPs (Combinatorial Optimization Problems). The problem is modeled using...
160
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VLDB
1990
ACM
15 years 10 months ago
1990
ACM
In this paper, we describe a new indexing technique, the time indez, for improving the performance of certain classes of temporal queries. The time index can be used to retrieve v...
180
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DAWAK
2007
Springer
15 years 10 months ago
2007
Springer
Most methods for temporal pattern mining assume that time is represented by points in a straight line starting at some initial instant. In this paper, we consider a new kind of fir...