5221 search results - page 321 / 1045 » An On-line Problem Database |
295
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
Several spatio-temporal applications require the retrieval of summarized information about moving objects that lie in a query region during a query interval (e.g., the number of m...
257
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ICDE
2003
IEEE
16 years 8 months ago
2003
IEEE
We consider the problem of mapping data in peerto-peer systems. Such systems rely on simple value searches to locate data of interest. However, different peers may use different v...
168
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KDD
2008
ACM
16 years 7 months ago
2008
ACM
Classic mixture models assume that the prevalence of the various mixture components is fixed and does not vary over time. This presents problems for applications where the goal is...
280
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VLDB
2008
ACM
16 years 7 months ago
2008
ACM
Mapping composition is a fundamental operation in metadata driven applications. Given a mapping over schemas 1 and 2 and a mapping over schemas 2 and 3, the composition problem is...
166
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Current schema matching approaches still have to improve for very large and complex schemas. Such schemas are increasingly written in the standard language W3C XML schema, especia...