929 search results - page 135 / 186 » Answering imprecise database queries: a novel approach |
106
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DBKDA
2010
IEEE
15 years 5 months ago
2010
IEEE
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
140
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
171
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VLDB
2008
ACM
16 years 2 days ago
2008
ACM
Several variations of nearest neighbor (NN) query have been investigated by the database community. However, realworld applications often result in the formulation of new variatio...
SIGMOD
2008
ACM
14 years 11 months ago
2008
ACM
Automated physical design tuning for database systems has recently become an active area of research and development. Existing tuning tools explore the space of feasible solutions...
SIGMOD
1996
ACM
15 years 4 months ago
1996
ACM
Scheduling query execution plans is an important component of query optimization in parallel database systems. The problem is particularly complex in a shared-nothing execution en...