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OSDI
2008
ACM
14 years 7 months ago
On the Impact of Disk Scrubbing on Energy Savings
The increasing use of computers for saving valuable data imposes stringent reliability constraints on storage systems. Reliability improvement via use of redundancy is a common pr...
Guanying Wang, Ali Raza Butt, Chris Gniady
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
14 years 7 months ago
Sharing aggregate computation for distributed queries
An emerging challenge in modern distributed querying is to efficiently process multiple continuous aggregation queries simultaneously. Processing each query independently may be i...
Ryan Huebsch, Minos N. Garofalakis, Joseph M. Hell...
SIGMOD
2007
ACM
165views Database» more  SIGMOD 2007»
14 years 7 months ago
Statistical analysis of sketch estimators
Sketching techniques can provide approximate answers to aggregate queries either for data-streaming or distributed computation. Small space summaries that have linearity propertie...
Florin Rusu, Alin Dobra
EDBT
2006
ACM
190views Database» more  EDBT 2006»
14 years 7 months ago
Fast Approximate Wavelet Tracking on Streams
Recent years have seen growing interest in effective algorithms for summarizing and querying massive, high-speed data streams. Randomized sketch synopses provide accurate approxima...
Graham Cormode, Minos N. Garofalakis, Dimitris Sac...
ICDE
2010
IEEE
288views Database» more  ICDE 2010»
14 years 7 months ago
Global Iceberg Detection over Distributed Data Streams
In today's Internet applications or sensor networks we often encounter large amounts of data spread over many physically distributed nodes. The sheer volume of the data and ba...
Ashwin Lall, Haiquan (Chuck) Zhao, Jun Xu, Mitsuno...