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» A geometric approach to aggregation
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VLDB
2004
ACM
119views Database» more  VLDB 2004»
14 years 10 months ago
Evaluating holistic aggregators efficiently for very large datasets
Indatawarehousingapplications,numerousOLAP queries involve the processing of holistic aggregators such as computing the "top n," median, quantiles, etc. In this paper, we...
Lixin Fu, Sanguthevar Rajasekaran
VLDB
2007
ACM
181views Database» more  VLDB 2007»
14 years 10 months ago
STAR: Self-Tuning Aggregation for Scalable Monitoring
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
Navendu Jain, Michael Dahlin, Yin Zhang, Dmitry Ki...
IPPS
2007
IEEE
14 years 4 months ago
Implementing OLAP Query Fragment Aggregation and Recombination for the OLAP Enabled Grid
In this paper we propose a new query processing method for the OLAP Enabled Grid, which blends sophisticated cache extraction techniques and data grid scheduling to efficiently s...
Michael Lawrence, Frank K. H. A. Dehne, Andrew Rau...
VTC
2007
IEEE
150views Communications» more  VTC 2007»
14 years 4 months ago
Analysis of Resource Reservation Aggregation in On-Board Networks
Abstract— The concept of providing mobile Internet connectivity for passengers in public transport vehicles, where users connect to a local network that attaches to the Internet v...
Muhammad Ali Malik, Lavy Libman, Salil S. Kanhere,...
CAMAD
2006
IEEE
14 years 1 months ago
On the exploitation of user aggregation strategies in heterogeneous wireless networks
Abstract-- In this paper we discuss the exploitation of aggregated mobility patterns and physical proximity of nodes in a so-called ambient network, i.e., a wireless network with h...
Leonardo Badia, Nicola Bui, Marco Miozzo, Michele ...