7607 search results - page 276 / 1522 » Querying data provenance |
268
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....
227
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DPD
2006
15 years 6 months ago
2006
A common technique used to minimize I/O in data intensive applications is data declustering over parallel servers. This technique involves distributing data among several disks so...
174
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ICDM
2007
IEEE
16 years 1 months ago
2007
IEEE
Data security is a critical issue for many organizations. Sensitive data must be protected from both inside and outside attackers. Access control policies and related mechanisms h...
236
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ICDE
2009
IEEE
15 years 4 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
185
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SODA
2000
ACM
15 years 8 months ago
2000
ACM
Most research in algorithms for geometric query problems has focused on their worstcase performance. However, when information on the query distribution is available, the alternat...