3319 search results - page 416 / 664 » Type Theoretical Databases |
133
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ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
Abstract— Checking if an SQL query has been written correctly is not an easy task. Formal verification is not applicable, since it is based on comparing a specification with an...
149
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract. The lack of flexibility is often seen as an inhibitor for the successful application of workflow technology. Many researchers have proposed different ways of addressin...
150
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...
129
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DASFAA
2009
IEEE
15 years 11 months ago
2009
IEEE
Existing xml query pattern-based caching strategies focus on extracting the set of frequently issued query pattern trees (qpt) based on the support of the qpts in the history. Thes...
130
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EDBT
2009
ACM
15 years 11 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...