2514 search results - page 236 / 503 » On the Computation of Approximations of Database Queries |
185
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CIKM
2009
Springer
15 years 11 months ago
2009
Springer
Answering queries using views is a well-established technique in databases. In this context, two outstanding problems can be formulated. The first one consists in deciding whethe...
195
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SAC
2006
ACM
16 years 18 days ago
2006
ACM
The issue of confidentiality and privacy in general databases has become increasingly prominent in recent years. A key element in preserving privacy and confidentiality of sensi...
185
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DOLAP
2003
ACM
15 years 12 months ago
2003
ACM
Data warehouse and Online Analytical Processing(OLAP) play a key role in business intelligent systems. With the increasing amount of spatial data stored in business database, how ...
333
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GIS
2006
ACM
16 years 7 months ago
2006
ACM
Remotely sensed data, in particular satellite imagery, play many important roles in environmental applications and models. In particular applications that study (rapid) changes in...
307
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
The overwhelming flow of information in many data stream applications forces many companies to outsource to a third-party the deployment of a Data Stream Management System (DSMS) f...