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» Application Management Techniques for the Bifrost System
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PPOPP
2006
ACM
16 years 1 days ago
Performance evaluation of adaptive MPI
Processor virtualization via migratable objects is a powerful technique that enables the runtime system to carry out intelligent adaptive optimizations like dynamic resource manag...
Chao Huang, Gengbin Zheng, Laxmikant V. Kalé...
CCGRID
2009
IEEE
15 years 11 months ago
File Clustering Based Replication Algorithm in a Grid Environment
Replication in grid file systems can significantly improves I/O performance of data-intensive applications. However, most of existing replication techniques apply to individual ...
Hitoshi Sato, Satoshi Matsuoka, Toshio Endo
SIGMOD
1998
ACM
96views Database» more  SIGMOD 1998»
15 years 10 months ago
Wavelet-Based Histograms for Selectivity Estimation
Query optimization is an integral part of relational database management systems. One important task in query optimization is selectivity estimation, that is, given a query P, we ...
Yossi Matias, Jeffrey Scott Vitter, Min Wang
SOUPS
2010
ACM
15 years 10 months ago
A closer look at recognition-based graphical passwords on mobile devices
Graphical password systems based on the recognition of photographs are candidates to alleviate current over-reliance on alphanumeric passwords and PINs. However, despite being bas...
Paul Dunphy, Andreas P. Heiner, N. Asokan
SIGMOD
2010
ACM
308views Database» more  SIGMOD 2010»
15 years 4 months ago
GBLENDER: towards blending visual query formulation and query processing in graph databases
Given a graph database D and a query graph g, an exact subgraph matching query asks for the set S of graphs in D that contain g as a subgraph. This type of queries find important...
Changjiu Jin, Sourav S. Bhowmick, Xiaokui Xiao, Ja...