549 search results - page 75 / 110 » Data Expiration and Aggregate Queries |
105
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VLDB
1998
ACM
15 years 4 months ago
1998
ACM
We propose a multi-dimensional language called nD-SQL with the following features: (i) nD-SQL supports queries that interoperate amongst multiple relational sources with heterogen...
123
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SIGMOD
2011
ACM
14 years 2 months ago
2011
ACM
Probabilistic database systems have successfully established themselves as a tool for managing uncertain data. However, much of the research in this area has focused on efficient...
SSDBM
1999
IEEE
15 years 4 months ago
1999
IEEE
On-Line Analytical Processing (OLAP) technologies are being used widely, but the lack of effective means of handling data imprecision, which occurs when exact values are not known...
107
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SIGMOD
1998
ACM
15 years 4 months ago
1998
ACM
The CONTROL project at U.C. Berkeley has developed technologies to provide online behavior for data-intensive applications. Using new query processing algorithms, these technologi...
BTW
2007
Springer
15 years 6 months ago
2007
Springer
: Statistics that accurately describe the distribution of data values in the columns of relational tables are essential for effective query optimization in a database management sy...