2223 search results - page 395 / 445 » Query Optimization in an OODBMS |
205
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SIGMOD
2009
ACM
16 years 2 months ago
2009
ACM
We consider the problem of collectively approximating a set of sensor signals using the least amount of space so that any individual signal can be efficiently reconstructed within...
191
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Two trends are converging to make the CPU cost of a table scan a more important component of database performance. First, table scans are becoming a larger fraction of the query p...
126
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SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...
102
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SIGMOD
2001
ACM
16 years 2 months ago
2001
ACM
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
130
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PERCOM
2007
ACM
16 years 1 months ago
2007
ACM
Caching is an important technique to support pervasive Internet access. Cache consistency measures the deviation between the cached data and the source data. In mobile computing e...