1611 search results - page 159 / 323 » Queries Independent of Updates |
210
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SIGMOD
2006
ACM
16 years 4 months ago
2006
ACM
Although it has been acknowledged for many years that querying and updating time-varying information using standard (i.e., non-temporal) SQL is a challenging task, the proposed te...
123
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ISORC
2008
IEEE
15 years 11 months ago
2008
IEEE
Several approaches for scalable interest management (IM) within real-time distributed virtual environments (DVEs) have been proposed based upon some division of the data-space in ...
124
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TACAS
2010
Springer
15 years 9 months ago
2010
Springer
We propose a general methodology for approximating the Pareto front of multi-criteria optimization problems. Our search-based methodology consists of submitting queries to a constr...
234
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
We present a complete XPath cost-based optimization and execution framework and demonstrate its effectiveness and efficiency for a variety of queries and datasets. The framework i...
129
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BTW
2005
Springer
15 years 10 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...