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» Techniques of Cluster Algorithms in Data Mining
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CF
2004
ACM
14 years 2 months ago
Improving the execution time of global communication operations
Many parallel applications from scientific computing use MPI global communication operations to collect or distribute data. Since the execution times of these communication opera...
Matthias Kühnemann, Thomas Rauber, Gudula R&u...
VLDB
2007
ACM
131views Database» more  VLDB 2007»
14 years 9 months ago
Dissemination of compressed historical information in sensor networks
Sensor nodes are small devices that "measure" their environment and communicate feeds of low-level data values to a base station for further processing and archiving. Dis...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
GIS
2010
ACM
13 years 7 months ago
Automatic construction and multi-level visualization of semantic trajectories
With the prevalence of GPS-embedded mobile devices, enormous amounts of mobility data are being collected in the form of trajectory - a stream of (x,y,t) points. Such trajectories...
Zhixian Yan, Lazar Spremic, Dipanjan Chakraborty, ...
ICDE
2006
IEEE
144views Database» more  ICDE 2006»
14 years 10 months ago
Super-Scalar RAM-CPU Cache Compression
High-performance data-intensive query processing tasks like OLAP, data mining or scientific data analysis can be severely I/O bound, even when high-end RAID storage systems are us...
Marcin Zukowski, Niels Nes, Peter A. Boncz, S&aacu...
DAWAK
2009
Springer
13 years 6 months ago
BitCube: A Bottom-Up Cubing Engineering
Enhancing on line analytical processing through efficient cube computation plays a key role in Data Warehouse management. Hashing, grouping and mining techniques are commonly used ...
Alfredo Ferro, Rosalba Giugno, Piera Laura Puglisi...