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» Sampling Algorithms in a Stream Operator
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SIGMOD
2010
ACM
281views Database» more  SIGMOD 2010»
14 years 17 days ago
Continuous sampling for online aggregation over multiple queries
In this paper, we propose an online aggregation system called COSMOS (Continuous Sampling for Multiple queries in an Online aggregation System), to process multiple aggregate quer...
Sai Wu, Beng Chin Ooi, Kian-Lee Tan
NIPS
2008
13 years 9 months ago
One sketch for all: Theory and Application of Conditional Random Sampling
Conditional Random Sampling (CRS) was originally proposed for efficiently computing pairwise (l2, l1) distances, in static, large-scale, and sparse data. This study modifies the o...
Ping Li, Kenneth Ward Church, Trevor Hastie
JMLR
2010
182views more  JMLR 2010»
13 years 2 months ago
Decision Tree for Dynamic and Uncertain Data Streams
Current research on data stream classification mainly focuses on certain data, in which precise and definite value is usually assumed. However, data with uncertainty is quite natu...
Chunquan Liang, Yang Zhang, Qun Song
INFOCOM
2010
IEEE
13 years 6 months ago
Distributed Resource Allocation for Synchronous Fork and Join Processing Networks
—Many emerging information processing applications require applying various fork and join type operations such as correlation, aggregation, and encoding/decoding to data streams ...
Haiquan (Chuck) Zhao, Cathy H. Xia, Zhen Liu, Dona...
ICDE
2012
IEEE
199views Database» more  ICDE 2012»
11 years 10 months ago
Physically Independent Stream Merging
—A facility for merging equivalent data streams can support multiple capabilities in a data stream management system (DSMS), such as query-plan switching and high availability. O...
Badrish Chandramouli, David Maier, Jonathan Goldst...