2542 search results - page 39 / 509 » Computing Cartograms with Optimal Complexity |
ICASSP
2011
IEEE
12 years 11 months ago
2011
IEEE
All of the existing N-point discrete fractional signal transforms require O(N2 ) computation complexity. In this paper, we propose a new discrete fractional signal transform whose...
VLDB
2002
ACM
13 years 7 months ago
2002
ACM
Query optimization is a computationally intensive process, especially for complex queries. We present here a tool, called PLASTIC, that can be used by query optimizers to amortize...
CGF
2011
12 years 11 months ago
2011
We introduce a fully automatic algorithm which optimizes the high-level structure of a given quadrilateral mesh to achieve a coarser quadrangular base complex. Such a topological ...
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper, we investigate the maximization of the amount of gathered data in a clustered wireless sensor network (WSN). The amount of gathered data is maximized by (1) choosing...
HPCC
2007
Springer
14 years 1 months ago
2007
Springer
Many optimization techniques have been adopted for efficient job scheduling in grid computing, such as: genetic algorithms, simulated annealing and stochastic methods. Such techni...