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» A calculus for costed computations
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NAACL
2010
14 years 8 months ago
Improved Models of Distortion Cost for Statistical Machine Translation
The distortion cost function used in Mosesstyle machine translation systems has two flaws. First, it does not estimate the future cost of known required moves, thus increasing sea...
Spence Green, Michel Galley, Christopher D. Mannin...
ICRA
2009
IEEE
131views Robotics» more  ICRA 2009»
14 years 8 months ago
Efficient C-space and cost function updates in 3D for unmanned aerial vehicles
When operating in partially-known environments, autonomous vehicles must constantly update their maps and plans based on new sensor information. Much focus has been placed on devel...
Sebastian Scherer, Dave Ferguson, Sanjiv Singh
101
Voted
COLING
2010
14 years 5 months ago
A Comparison of Models for Cost-Sensitive Active Learning
Active Learning (AL) is a selective sampling strategy which has been shown to be particularly cost-efficient by drastically reducing the amount of training data to be manually ann...
Katrin Tomanek, Udo Hahn
97
Voted
SODA
1998
ACM
157views Algorithms» more  SODA 1998»
15 years 7 days ago
A Polynomial Time Approximation Scheme for Minimum Routing Cost Spanning Trees
Given an undirected graph with nonnegative costs on the edges, the routing cost of any of its spanning trees is the sum over all pairs of vertices of the cost of the path between t...
Bang Ye Wu, Giuseppe Lancia, Vineet Bafna, Kun-Mao...
ICPP
2009
IEEE
15 years 5 months ago
Exploring the Cost-Availability Tradeoff in P2P Storage Systems
—P2P storage systems use replication to provide a certain level of availability. While the system must generate new replicas to replace replicas lost to permanent failures, it ca...
Zhi Yang, Yafei Dai, Zhen Xiao