6568 search results - page 989 / 1314 » Reducing the Complexity of Reductions |
179
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XSYM
2004
Springer
16 years 3 days ago
2004
Springer
A key step in the optimization of declarative queries over XML data is estimating the selectivity of path expressions, i.e., the number of elements reached by a specific navigatio...
190
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ICIP
1998
IEEE
15 years 11 months ago
1998
IEEE
The block-matching motion estimation algorithm using a translational motion model cannot provide acceptable image quality in low bit-rate coding. To improve coding performance, we ...
196
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SIGMOD
1997
ACM
15 years 11 months ago
1997
ACM
A range query applies an aggregation operation over all selected cells of an OLAP data cube where the selection is speci ed by providing ranges of values for numeric dimensions. W...
197
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ICCV
2007
IEEE
15 years 10 months ago
2007
IEEE
We present a Diffusion Maps clustering method applied to diffusion MRI in order to segment complex white matter fiber bundles. It is well-known that diffusion tensor imaging (DTI)...
219
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CODES
2004
IEEE
15 years 10 months ago
2004
IEEE
For complex System-on-chips (SoCs) fabricated in nanometer technologies, the system-level on-chip communication architecture is emerging as a significant source of power consumpti...