5312 search results - page 909 / 1063 » Business Process Management Systems |
266
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
295
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
185
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ICC
2009
IEEE
16 years 1 months ago
2009
IEEE
—Identity federation is a key requirement for today’s distributed services. This technology allows managed sharing of users’ identity information between identity providers (...
185
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CIKM
2009
Springer
16 years 1 months ago
2009
Springer
This paper proposes the integration of semantic information drawn from a web application’s domain knowledge into all phases of the web usage mining process (preprocessing, patte...
174
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ISCIS
2009
Springer
16 years 1 months ago
2009
Springer
—With the development of improved and cost-effective technologies, it is now possible to detect thousands of metabolites in biofluids or specific organs, and reliably quantify th...