6660 search results - page 48 / 1332 » Data Analysis for Query Processing |
241
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...
154
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EDBT
2010
ACM
16 years 26 days ago
2010
ACM
This paper addresses a fundamental and challenging problem with broad applications: efficient processing of region-based promotion queries, i.e., to discover the top-k most inter...
164
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ICDM
2008
IEEE
16 years 14 days ago
2008
IEEE
Since Jim Gray introduced the concept of ”data cube” in 1997, data cube, associated with online analytical processing (OLAP), has become a driving engine in data warehouse ind...
142
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PODS
1993
ACM
15 years 10 months ago
1993
ACM
In this paper, we motivate four di erent user de ned window query classes and derive a probabilistic model for each of them. For each model, we characterize the e ciency of spatia...
184
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ICDE
2006
IEEE
16 years 2 days ago
2006
IEEE
Scientific instruments, such as radio telescopes, colliders, sensor networks, and simulators generate very high volumes of data streams that scientists analyze to detect and under...