511 search results - page 61 / 103 » Approximate Selection Queries over Imprecise Data |
173
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VLDB
2002
ACM
15 years 5 months ago
2002
ACM
All existing proposals for querying XML (e.g., XQuery) rely on a pattern-specification language that allows (1) path navigation and branching through the label structure of the XM...
140
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SIGMOD
2001
ACM
16 years 6 months ago
2001
ACM
Approximating the joint data distribution of a multi-dimensional data set through a compact and accurate histogram synopsis is a fundamental problem arising in numerous practical ...
272
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Many scientific, financial, data mining and sensor network applications need to work with continuous, rather than discrete data e.g., temperature as a function of location, or sto...
165
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BTW
2009
Springer
15 years 10 months ago
2009
Springer
: Cost-based optimizers in relational databases make use of data statistics to estimate intermediate result cardinalities. Those cardinalities are needed to estimate access plan co...
187
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DBSEC
2008
15 years 7 months ago
2008
Current security mechanisms are not suitable for organisations that outsource their data management to untrusted servers. Encrypting and decrypting sensitive data at the client si...