Sciweavers

303 search results - page 22 / 61
» Incentive analysis of approximately efficient allocation alg...
Sort
View
JACM
1998
88views more  JACM 1998»
13 years 7 months ago
A Threshold of ln n for Approximating Set Cover
Given a collection Ᏺ of subsets of S ϭ {1, . . . , n}, set cover is the problem of selecting as few as possible subsets from Ᏺ such that their union covers S, and max k-cover ...
Uriel Feige
SIGIR
2006
ACM
14 years 1 months ago
LDA-based document models for ad-hoc retrieval
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
Xing Wei, W. Bruce Croft
PPOPP
2006
ACM
14 years 1 months ago
High-performance IPv6 forwarding algorithm for multi-core and multithreaded network processor
IP forwarding is one of the main bottlenecks in Internet backbone routers, as it requires performing the longest-prefix match at 10Gbps speed or higher. IPv6 forwarding further ex...
Xianghui Hu, Xinan Tang, Bei Hua
ICML
2006
IEEE
14 years 8 months ago
Fast direct policy evaluation using multiscale analysis of Markov diffusion processes
Policy evaluation is a critical step in the approximate solution of large Markov decision processes (MDPs), typically requiring O(|S|3 ) to directly solve the Bellman system of |S...
Mauro Maggioni, Sridhar Mahadevan
CORR
2010
Springer
135views Education» more  CORR 2010»
13 years 4 months ago
SABRE: A Tool for Stochastic Analysis of Biochemical Reaction Networks
The importance of stochasticity within biological systems has been shown repeatedly during the last years and has raised the need for efficient stochastic tools. We present SABRE, ...
Frédéric Didier, Thomas A. Henzinger...