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DEXA
2009
Springer
175views Database» more  DEXA 2009»
14 years 2 months ago
RoK: Roll-Up with the K-Means Clustering Method for Recommending OLAP Queries
Dimension hierarchies represent a substantial part of the data warehouse model. Indeed they allow decision makers to examine data at different levels of detail with On-Line Analyt...
Fadila Bentayeb, Cécile Favre
ADC
2005
Springer
106views Database» more  ADC 2005»
14 years 1 months ago
OS Support for a Commodity Database on PC clusters - Distributed Devices vs. Distributed File Systems
In this paper we attempt to parallelise a commodity database for OLAP on a cluster of commodity PCs by using a distributed high-performance storage subsystem. By parallelising the...
Felix Rauch, Thomas Stricker
CLUSTER
2006
IEEE
14 years 1 months ago
An Iteration Aware Multidimensional Data Distribution Prototype for Computing Clusters
Disk and network latency must be taken into account when applying parallel computing to large multidimensional datasets because they can hinder performance by reducing the rate at...
Baoqiang Yan, Philip J. Rhodes
ICWN
2008
13 years 9 months ago
Coverage Efficient Clustering Method Based on Time Delay for Wireless Sensor Networks
Energy efficient operations are essential to increase the lifetime of wireless sensor network. A clustering-based protocol is one approach that reduces energy by a data aggregation...
Ji Gong, Hyuntae Kim, Gihwan Cho
PAKDD
2007
ACM
184views Data Mining» more  PAKDD 2007»
14 years 1 months ago
Exploring Group Moving Pattern for an Energy-Constrained Object Tracking Sensor Network
In this paper, we investigate and utilize the characteristic of the group movement of objects to achieve energy conservation in the inherently resource-constrained wireless object ...
Hsiao-Ping Tsai, De-Nian Yang, Wen-Chih Peng, Ming...