6974 search results - page 356 / 1395 » Querying Semi-Structured Data |
173
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CIDM
2007
IEEE
16 years 1 months ago
2007
IEEE
— To generate plans for collecting data for data mining, an important problem is information volatility during planning: the information needed by the planning system may change ...
188
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ICDT
2001
ACM
15 years 11 months ago
2001
ACM
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
171
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PDIS
1996
IEEE
15 years 11 months ago
1996
IEEE
Accessing data from numerous widely-distributed sources poses signi cant new challenges for query optimization and execution. Congestion and failures in the network can introduce ...
205
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CIKM
2008
Springer
15 years 8 months ago
2008
Springer
Search engine logs are an emerging new type of data that offers interesting opportunities for data mining. Existing work on mining such data has mostly attempted to discover knowl...
182
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CONCURRENCY
2006
15 years 6 months ago
2006
vices provide an important abstract layer on top of heterogeneous components (hardware and software) that take part into a grid environment. In this scenario, applications, like sc...