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» Continuously Maintaining Order Statistics over Data Streams
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ICDE
2006
IEEE
158views Database» more  ICDE 2006»
14 years 8 months ago
Space-efficient Relative Error Order Sketch over Data Streams
We consider the problem of continuously maintaining order sketches over data streams with a relative rank error guarantee . Novel space-efficient and one-scan randomised technique...
Ying Zhang, Xuemin Lin, Jian Xu, Flip Korn, Wei Wa...
PODS
2003
ACM
143views Database» more  PODS 2003»
14 years 7 months ago
Maintaining variance and k-medians over data stream windows
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
Brian Babcock, Mayur Datar, Rajeev Motwani, Liadan...
SSDBM
2005
IEEE
140views Database» more  SSDBM 2005»
14 years 1 months ago
Optimizing In-Order Execution of Continuous Queries over Streamed Sensor Data
The widespread use of sensor networks in scientific and engineering applications leads to increased demand on the efficient computation of the collected sensor data. Recent rese...
Moustafa A. Hammad, Walid G. Aref, Ahmed K. Elmaga...
ICDE
2007
IEEE
118views Database» more  ICDE 2007»
14 years 8 months ago
Summarizing Order Statistics over Data Streams with Duplicates
Ying Zhang, Xuemin Lin, Yidong Yuan, Masaru Kitsur...
SIGMOD
2002
ACM
198views Database» more  SIGMOD 2002»
14 years 7 months ago
Processing complex aggregate queries over data streams
Recent years have witnessed an increasing interest in designing algorithms for querying and analyzing streaming data (i.e., data that is seen only once in a fixed order) with only...
Alin Dobra, Minos N. Garofalakis, Johannes Gehrke,...