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» Efficient Aggregate Computation over Data Streams
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ADBIS
2009
Springer
127views Database» more  ADBIS 2009»
14 years 4 months ago
Window Update Patterns in Stream Operators
Continuous queries applied over nonterminating data streams usually specify windows in order to obtain an evolving –yet restricted– set of tuples and thus provide timely result...
Kostas Patroumpas, Timos K. Sellis
SIGMOD
2003
ACM
196views Database» more  SIGMOD 2003»
14 years 10 months ago
Aurora: A Data Stream Management System
The Aurora system [1] is an experimental data stream management system with a fully functional prototype. It includes both a graphical development environment, and a runtime syste...
Daniel J. Abadi, Donald Carney, Ugur Çetint...
INFOCOM
2003
IEEE
14 years 3 months ago
Design of Light-Tree Based Logical Topologies for Multicast Streams in Wavelength Routed Optical Networks
—In this paper, we formulate an optimization problem for the design of light-tree based logical topology in Wavelength Division Multiplexing (WDM) networks. The problem is compri...
Wanjiun Liao
PODS
2005
ACM
96views Database» more  PODS 2005»
14 years 3 months ago
Space complexity of hierarchical heavy hitters in multi-dimensional data streams
Heavy hitters, which are items occurring with frequency above a given threshold, are an important aggregation and summary tool when processing data streams or data warehouses. Hie...
John Hershberger, Nisheeth Shrivastava, Subhash Su...
CLUSTER
2004
IEEE
14 years 1 months ago
An efficient end-host architecture for cluster communication
Cluster computing environments built from commodity hardware have provided a cost-effective solution for many scientific and high-performance applications. Likewise, middleware te...
Xin Qi, Gabriel Parmer, Richard West