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EDBT
2012
ACM
214views Database» more  EDBT 2012»
11 years 10 months ago
An optimization framework for map-reduce queries
We present an effective optimization framework for general SQLlike map-reduce queries, which is based on a novel query algebra and uses a small number of higher-order physical ope...
Leonidas Fegaras, Chengkai Li, Upa Gupta
DAC
2007
ACM
14 years 8 months ago
Off-chip Decoupling Capacitor Allocation for Chip Package Co-Design
Off-chip decoupling capacitor (decap) allocation is a demanding task during package and chip codesign. Existing approaches can not handle large numbers of I/O counts and large num...
Hao Yu, Chunta Chu, Lei He
28
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MICCAI
2007
Springer
14 years 8 months ago
Shape Analysis Using a Point-Based Statistical Shape Model Built on Correspondence Probabilities
A fundamental problem when computing statistical shape models is the determination of correspondences between the instances of the associated data set. Often, homologies between po...
Heike Hufnagel, Xavier Pennec, Jan Ehrhardt, Heinz...
HPCA
2001
IEEE
14 years 8 months ago
A New Scalable Directory Architecture for Large-Scale Multiprocessors
The memory overhead introduced by directories constitutes a major hurdle in the scalability of cc-NUMA architectures, which makes the shared-memory paradigm unfeasible for very la...
Manuel E. Acacio, José González, Jos...
ISPASS
2010
IEEE
14 years 2 months ago
The Hadoop distributed filesystem: Balancing portability and performance
—Hadoop is a popular open-source implementation of MapReduce for the analysis of large datasets. To manage storage resources across the cluster, Hadoop uses a distributed user-le...
Jeffrey Shafer, Scott Rixner, Alan L. Cox