848 search results - page 5 / 170 » Optimization of Sequence Queries in Database Systems |
185
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ICDE
2002
IEEE
15 years 10 months ago
2002
IEEE
We study the problem of query optimization in federated relational database systems. The nature of federated databases explicitly decouples many aspects of the optimization proces...
119
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IDEAS
2010
IEEE
14 years 8 months ago
2010
IEEE
Even though an effective cost-based query optimizer is of utmost importance for the efficient evaluation of XQuery expressions in native XML database systems, such a component is...
96
Voted
DAWAK
2005
Springer
15 years 3 months ago
2005
Springer
Discovery of frequent patterns is a very important data mining problem with numerous applications. Frequent pattern mining is often regarded as advanced querying where a user speci...
157
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VLDB
2008
ACM
15 years 9 months 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...
94
Voted
VLDB
2005
ACM
15 years 2 months ago
2005
ACM
Many enterprise applications prefer to store XML data as a rich data type, i.e. a sequence of bytes, in a relational database system to avoid the complexity of decomposing the dat...