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» Aggregate Computation over Data Streams
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ICDE
2005
IEEE
106views Database» more  ICDE 2005»
15 years 10 months ago
Effective Computation of Biased Quantiles over Data Streams
Skewis prevalentin manydata sourcessuchas IP traffic streams. To continually summarize the distribution of such data, a highbiased set of quantiles (e.g., 50th, 90th and 99th perc...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
IPPS
2003
IEEE
15 years 2 months ago
Leveraging Block Decisions and Aggregation in the ShareStreams QoS Architecture
ShareStreams (Scalable Hardware Architectures for Stream Schedulers) is a canonical architecture for realizing a range of scheduling disciplines. This paper discusses the design c...
Raj Krishnamurthy, Sudhakar Yalamanchili, Karsten ...
SIGMOD
2004
ACM
144views Database» more  SIGMOD 2004»
15 years 9 months ago
Diamond in the Rough: Finding Hierarchical Heavy Hitters in Multi-Dimensional Data
Data items archived in data warehouses or those that arrive online as streams typically have attributes which take values from multiple hierarchies (e.g., time and geographic loca...
Graham Cormode, Flip Korn, S. Muthukrishnan, Dives...
DEBS
2009
ACM
14 years 10 months ago
Towards efficient event aggregation in a decentralized publish-subscribe system
Recently, decentralized publish-subscribe (pub-sub) systems have gained popularity as a scalable asynchronous messaging paradigm over wide-area networks. Most existing pub-sub sys...
Jianxia Chen, Lakshmish Ramaswamy, David Lowenthal
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ICDE
2007
IEEE
167views Database» more  ICDE 2007»
15 years 3 months ago
Load Shedding for Window Joins on Multiple Data Streams
We consider the problem of semantic load shedding for continuous queries containing window joins on multiple data streams and propose a robust approach that is effective with the ...
Yan-Nei Law, Carlo Zaniolo