2124 search results - page 6 / 425 » Aggregating time partitions |
SIGMOD
2010
ACM
15 years 2 months ago
2010
ACM
Online aggregation is a promising solution to achieving fast early responses for interactive ad-hoc queries that compute aggregates on a large amount of data. Essential to the suc...
PERCOM
2004
ACM
15 years 9 months ago
2004
ACM
A framework for the dynamic aggregation of ubiquitous computers is presented. The framework aggregates applications from more than one mobile component that can migrate from compu...
COR
2008
14 years 9 months ago
2008
Dynamic constraint aggregation was recently introduced by Elhallaoui et al. [Dynamic aggregation of set partitioning constraints in column generation. Operations Research 2005; 53...
ICTCS
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. We consider the problem of maintaining polynomial and exponential decay aggregates of a data stream, where the weight of values seen from the stream diminishes as time el...
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DAWAK
2000
Springer
15 years 1 months ago
2000
Springer
In the context of multidimensional databases implemented on relational DBMSs through star schemes, the most effective technique to enhance performances consists of materializing re...