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» Minimal Interval Completions
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2009
13 years 6 months ago
Smoke and Mirrors: Reflecting Files at a Geographically Remote Location Without Loss of Performance
The Smoke and Mirrors File System (SMFS) mirrors files at geographically remote datacenter locations with negligible impact on file system performance at the primary site, and min...
Hakim Weatherspoon, Lakshmi Ganesh, Tudor Marian, ...
SIAMDM
2011
13 years 4 months ago
Origins of Nonlinearity in Davenport-Schinzel Sequences
Abstract. A generalized Davenport–Schinzel sequence is one over a finite alphabet that excludes subsequences isomorphic to a fixed forbidden subsequence. The fundamental proble...
Seth Pettie
VLDB
2011
ACM
245views Database» more  VLDB 2011»
13 years 4 months ago
Normalization and optimization of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. They are an important tool in several areas of database research, notab...
Georg Gottlob, Reinhard Pichler, Vadim Savenkov
WIOPT
2011
IEEE
13 years 23 days ago
Broadcasting with a battery limited energy harvesting rechargeable transmitter
—We consider the minimization of the transmission completion time with a battery limited energy harvesting transmitter in a two-user AWGN broadcast channel. The transmitter has ...
Omur Ozel, Jing Yang, Sennur Ulukus
EUROSYS
2011
ACM
13 years 17 days ago
Scarlett: coping with skewed content popularity in mapreduce clusters
To improve data availability and resilience MapReduce frameworks use file systems that replicate data uniformly. However, analysis of job logs from a large production cluster show...
Ganesh Ananthanarayanan, Sameer Agarwal, Srikanth ...