132 search results - page 20 / 27 » Optimal approximations of the frequency moments of data stre... |
190
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SIGMOD
2008
ACM
15 years 12 months ago
2008
ACM
Computing statistical information on probabilistic data has attracted a lot of attention recently, as the data generated from a wide range of data sources are inherently fuzzy or ...
165
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SIGMOD
2005
ACM
15 years 12 months ago
2005
ACM
The Discrete Wavelet Transform is a proven tool for a wide range of database applications. However, despite broad acceptance, some of its properties have not been fully explored a...
193
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ICDT
2009
ACM
16 years 12 days ago
2009
ACM
We continue the study of approximating the number of distinct elements in a data stream of length n to within a (1? ) factor. It is known that if the stream may consist of arbitra...
101
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DSN
2006
IEEE
15 years 3 months ago
2006
IEEE
We construct, analyze and solve models of systems where a number of servers offer services to an incoming stream of demands. Each server goes through alternating periods of being ...
VLDB
1997
ACM
15 years 3 months ago
1997
ACM
The enhanced pay-per-view (EPPV) model for providing continuous-media-on-demand(CMOD) services associates with each continuous media clip a display frequency that dependson the cl...