4955 search results - page 548 / 991 » Multiple Pattern Databases |
168
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CIKM
2010
Springer
15 years 2 months ago
2010
Springer
The explosive increase of image data on Internet has made it an important, yet very challenging task to index and automatically annotate image data. To achieve that end, sophistic...
230
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
135
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MSWIM
2006
ACM
15 years 10 months ago
2006
ACM
Security is a critical issue in mobile commerce, especially in mobile database systems since mobile environments are dynamic and traditional protection mechanisms do not work very...
146
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SIGMOD
1996
ACM
15 years 8 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
148
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PAMI
2007
15 years 3 months ago
2007
—Biometrics-based authentication systems offer obvious usability advantages over traditional password and token-based authentication schemes. However, biometrics raises several p...