3269 search results - page 324 / 654 » Query Optimization for XML |
243
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VLDB
2001
ACM
16 years 5 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
163
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EDBT
2004
ACM
16 years 5 months ago
2004
ACM
We study the problem of answering queries over sources with limited access patterns. The problem is to decide whether a given query Q is feasible, i.e., equivalent to an executable...
146
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EDBT
2006
ACM
16 years 5 months ago
2006
ACM
Skyline queries help users make intelligent decisions over complex data, where different and often conflicting criteria are considered. Current skyline computation methods are rest...
154
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VLDB
2005
ACM
15 years 10 months ago
2005
ACM
Emerging large-scale monitoring applications require continuous tracking of complex dataanalysis queries over collections of physicallydistributed streams. Effective solutions hav...
174
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CIDR
2007
15 years 6 months ago
2007
We present a “black-box” approach to estimating query cardinality that has no knowledge of query execution plans and data distribution, yet provides accurate estimates. It doe...