964 search results - page 86 / 193 » Efficiently Ordering Query Plans for Data Integration |
153
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SSDBM
2006
IEEE
15 years 10 months ago
2006
IEEE
XML has become the standard for data exchange for a wide variety of applications, particularly in the scientific community. In order to efficiently process queries on XML repres...
140
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DMDW
2000
15 years 6 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
137
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AMAI
2005
Springer
15 years 4 months ago
2005
Springer
Mediator systems integrate distributed, heterogeneous and autonomous data sources, but their e ective use requires the solution of hard query optimization problems. This is usuall...
249
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ICDE
2006
IEEE
16 years 6 months ago
2006
IEEE
A k-NN query finds the k nearest-neighbors of a given point from a point database. When it is sufficient to measure object distance using the Euclidian distance, the key to effici...
169
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AI
2008
Springer
15 years 4 months ago
2008
Springer
The execution performance of an information gathering plan can suffer significantly due to remote I/O latencies. A streaming dataflow model of execution addresses the problem to s...