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ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Queries containing outer joins are common in data warehousing applications. Materialized outer-join views could greatly speed up many such queries but most database systems do not...
ICDE
2007
IEEE
13 years 6 months ago
2007
IEEE
Almost all company websites collect some information about the user in some form. The information may be a simple IP address of the host to extensive personal information about th...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
We introduce the notion of a data topology and the problem of topology search over databases. A data topology summarizes the set of all possible relationships that connect a given...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
We consider the problem of repairing a database that is inconsistent wrt a set of integrity constraints by updating numerical values. In particular, we concentrate on denial integ...
ICDE
2007
IEEE
14 years 1 months ago
2007
IEEE
In situ wireless sensor networks, not only have to route sensed data from sources to destinations, but also have to filter and fuse observations to eliminate potentially irreleva...