5221 search results - page 344 / 1045 » An On-line Problem Database |
194
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SIGMOD
2003
ACM
16 years 6 months ago
2003
ACM
Spatial database operations are typically performed in two steps. In the filtering step, indexes and the minimum bounding rectangles (MBRs) of the objects are used to quickly dete...
153
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ICDE
2010
IEEE
16 years 6 months ago
2010
IEEE
Decision support queries that scan large indexes can suffer significant degradation in I/O performance due to index fragmentation. DBAs rely on rules of thumb that use index size a...
189
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
— Record linkage is the computation of the associations among records of multiple databases. It arises in contexts like the integration of such databases, online interactions and...
163
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ADBIS
2008
Springer
16 years 1 months ago
2008
Springer
The event-condition-action paradigm (also known as triggers or ECA rules) gives a database “active” capabilities – the ability to react automatically to changes in the databa...
181
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PCM
2007
Springer
16 years 26 days ago
2007
Springer
The two-dimensional Principal Component Analysis (2DPCA) is a robust method in face recognition. Much recent research shows that the 2DPCA is more reliable than the well-known PCA ...