766 search results - page 57 / 154 » Commuting aggregation operators |
ADC
2004
Springer
14 years 1 months ago
2004
Springer
Aggregating spatial objects is a necessary step in generating spatial data cubes to support roll-up/drill-down operations. Current approaches face performance bottleneck issues wh...
MICRO
2006
IEEE
14 years 1 months ago
2006
IEEE
Instruction aggregation—the grouping of multiple operations into a single processing unit—is a technique that has recently been used to amplify the bandwidth and capacity of c...
DMDW
2000
13 years 9 months ago
2000
View materialization is a central issue in logical design of data warehouses since it is one of the most powerful techniques to improve the response to the workload. Most approach...
VLDB
2009
ACM
14 years 7 months ago
2009
ACM
We consider the problem of using sampling to estimate the result of an aggregation operation over a subset-based SQL query, where a subquery is correlated to an outer query by a NO...
ICCCN
2008
IEEE
14 years 2 months ago
2008
IEEE
—Detecting anomalies during the operation of a network is an important aspect of network management and security. Recent development of high-performance embedded processing syste...