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218
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STOC
2010
ACM
261views Algorithms» more  STOC 2010»
15 years 12 months ago
An Improved LP-based Approximation for Steiner Tree
The Steiner tree problem is one of the most fundamental ÆÈ-hard problems: given a weighted undirected graph and a subset of terminal nodes, find a minimum weight tree spanning ...
Jaroslaw Byrka, Fabrizio Grandoni, Thomas Rothvoss...
191
Voted
MOBIQUITOUS
2008
IEEE
16 years 1 months ago
Exploiting Schelling behavior for improving data accessibility in mobile peer-to-peer networks
In 1969, Thomas Schelling proposed one of the most cited models in economics to explain how similar people (e.g. people with the same race, education, community) group together in...
Long Vu, Klara Nahrstedt, Matthias Hollick
210
Voted
CCGRID
2003
IEEE
16 years 8 days ago
Improved Read Performance in a Cost-Effective, Fault-Tolerant Parallel Virtual File System (CEFT-PVFS)
Due to the ever-widening performance gap between processors and disks, I/O operations tend to become the major performance bottleneck of data-intensive applications on modern clus...
Yifeng Zhu, Hong Jiang, Xiao Qin, Dan Feng, David ...
159
Voted
FPL
2009
Springer
86views Hardware» more  FPL 2009»
15 years 11 months ago
Improving logic density through synthesis-inspired architecture
We leverage properties of the logic synthesis netlist to define both a logic element architecture and an associated technology mapping algorithm that together provide improved lo...
Jason Helge Anderson, Qiang Wang
DOLAP
2000
ACM
15 years 11 months ago
CUBIST: A New Algorithm For Improving the Performance of Ad-hoc OLAP Queries
Being able to efficiently answer arbitrary OLAP queries that aggregate along any combination of dimensions over numerical and categorical attributes has been a continued, major co...
Lixin Fu, Joachim Hammer