6746 search results - page 391 / 1350 » Multimodal Database Query |
151
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PPDP
2010
Springer
15 years 3 months ago
2010
Springer
Database query optimizers rely on data statistics in selecting query execution plans. Similar query optimization techniques are desirable for deductive databases and, to make this...
228
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ICDE
2002
IEEE
16 years 6 months ago
2002
IEEE
Large sensor networks are being widely deployed for measurement, detection, and monitoring applications. Many of these applications involve database systems to store and process d...
144
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ICDE
2007
IEEE
15 years 11 months ago
2007
IEEE
In a secure mediated information system, confidentiality is one of the main concerns when transmitting data from datasources to clients via a mediator. We present three approache...
254
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
151
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SAC
2008
ACM
15 years 4 months ago
2008
ACM
In this paper, we focus on an aspect of distributed XQuery processing that involves data exchanges between processor elements. We first address problems of distributed XML query p...