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ICEBE
2005
IEEE
168views Business» more  ICEBE 2005»
15 years 5 months ago
Frequency Operators for Condensative Queries over Data Streams
Over a traditional Database Management System (DBMS), the answer to an aggregate query is usually much smaller than the answer to a similar nonaggregate query. Therefore, we call ...
Lisha Ma, Werner Nutt
SSDBM
2010
IEEE
181views Database» more  SSDBM 2010»
14 years 9 months ago
Stratified Reservoir Sampling over Heterogeneous Data Streams
Reservoir sampling is a well-known technique for random sampling over data streams. In many streaming applications, however, an input stream may be naturally heterogeneous, i.e., c...
Mohammed Al-Kateb, Byung Suk Lee
IV
2007
IEEE
96views Visualization» more  IV 2007»
15 years 6 months ago
Visualisation of Parallel Data Streams with Temporal Mosaics
Despite its popularity and widespread use, timeline visualisation suffers from shortcomings which limit its use for displaying multiple data streams when the number of streams inc...
Saturnino Luz, Masood Masoodian
IM
2006
14 years 12 months ago
Estimating Entropy and Entropy Norm on Data Streams
We consider the problem of computing information theoretic functions such as entropy on a data stream, using sublinear space. Our first result deals with a measure we call the &quo...
Amit Chakrabarti, Khanh Do Ba, S. Muthukrishnan
SIGMOD
2010
ACM
259views Database» more  SIGMOD 2010»
15 years 3 months ago
An extensible test framework for the Microsoft StreamInsight query processor
Microsoft StreamInsight (StreamInsight, for brevity) is a platform for developing and deploying streaming applications. StreamInsight adopts a deterministic stream model that leve...
Alex Raizman, Asvin Ananthanarayan, Anton Kirilov,...