624 search results - page 28 / 125 » Mutant Query Plans |
105
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DEXAW
2004
IEEE
15 years 3 months ago
2004
IEEE
Database-like query processing over a network of sensors has become an attractive paradigm for building sensor applications. A sensor query is characterized by data streams among ...
PVLDB
2010
14 years 10 months ago
2010
XMorph is a new, shape polymorphic, domain-specific XML query language. A query in a shape polymorphic language adapts to the shape of the input, freeing the user from having to k...
162
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SIGMOD
2007
ACM
15 years 12 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...
153
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ICDE
2011
IEEE
14 years 3 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
113
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BTW
2009
Springer
15 years 3 months ago
2009
Springer
: Very recently, Cao et al. presented the MAPLE approach, which accelerates queries with multiple instances of the same relation by sharing their scan operator. The principal idea ...