281 search results - page 7 / 57 » Using Queries with Multi-Directional Functions for Numerical... |
117
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SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
Existing SQL aggregate functions present important limitations to compute percentages. This article proposes two SQL aggregate functions to compute percentages addressing such lim...
160
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SIGMOD
2007
ACM
15 years 11 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
VLDB
1994
ACM
15 years 3 months ago
1994
ACM
We have built a multidatabase system to support a financial application that stores historical data used by traders to identify trends in the market. The application has an update...
113
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SIGMOD
2003
ACM
15 years 11 months ago
2003
ACM
Database queries often take the form of correlated SQL queries. Correlation refers to the use of values from the outer query block to compute the inner subquery. This is a conveni...
ICDE
2010
IEEE
15 years 11 months ago
2010
IEEE
1 We consider the problem of similarity search in applications where the cost of computing the similarity between two records is very expensive, and the similarity measure is not a...