2850 search results - page 246 / 570 » Answering Queries using Humans, Algorithms and Databases |
208
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SIGMOD
2007
ACM
16 years 4 months ago
2007
ACM
Good cardinality estimates are critical for generating good execution plans during query optimization. Complex predicates, correlations between columns, and user-defined functions...
260
Voted
ICDE
2006
IEEE
16 years 5 months ago
2006
IEEE
Streaming XPath evaluation algorithms must record a potentially exponential number of pattern matches when both predicates and descendant axes are present in queries, and the XML ...
156
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ADBIS
2007
Springer
15 years 8 months ago
2007
Springer
Existing work repeatedly addresses that the ubiquitous positioning devices will start to generate an unprecedented stream of time-stamped positions leading to storage and computati...
141
Voted
CIKM
2004
Springer
15 years 9 months ago
2004
Springer
At present, most of the state-of-the-art solutions for XML access controls are either (1) document-level access control techniques that are too limited to support fine-grained sec...
160
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ICDE
2007
IEEE
15 years 10 months ago
2007
IEEE
Data Stream Management Systems are useful when large volumes of data need to be processed in real time. Examples include monitoring network traffic, monitoring financial transacti...