4581 search results - page 544 / 917 » Computing Transformation Semigroups |
201
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SDMW
2007
Springer
16 years 26 days ago
2007
Springer
Abstract. We investigate the experimental effectiveness of query rewriting over XML security views. Our model consists of access control policies specified over DTDs with XPath e...
155
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WABI
2007
Springer
16 years 26 days ago
2007
Springer
The optimal transformation of one tree into another by means of elementary edit operations is an important algorithmic problem that has several interesting applications to computat...
188
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3DPVT
2006
IEEE
16 years 25 days ago
2006
IEEE
A low-complexity three-dimensional image compression algorithm based on wavelet transforms and set-partitioning strategy is presented. The Subband Block Hierarchial Partitioning (...
182
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3DPVT
2006
IEEE
16 years 25 days ago
2006
IEEE
We propose a mathematical approach for quantifying shape complexity of 3D surfaces based on perceptual principles of visual saliency. Our curvature variation measure (CVM), as a 3...
155
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AHS
2006
IEEE
16 years 25 days ago
2006
IEEE
The discrete wavelet Transform (DWT), as defined by the Image Compression Standard JPEG-2000, is one of the most time-consuming computations which cannot be efficiently executed o...