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CIKM
2010
Springer
13 years 6 months ago
Document allocation policies for selective searching of distributed indexes
Indexes for large collections are often divided into shards that are distributed across multiple computers and searched in parallel to provide rapid interactive search. Typically,...
Anagha Kulkarni, Jamie Callan
JSAC
2007
98views more  JSAC 2007»
13 years 7 months ago
Optimum Power Allocation for Single-User MIMO and Multi-User MIMO-MAC with Partial CSI
Abstract— We consider both the single-user and the multiuser power allocation problems in MIMO systems, where the receiver side has the perfect channel state information (CSI), a...
Alper Soysal, Sennur Ulukus
FLAIRS
2007
13 years 10 months ago
Performance Analysis of Evolutionary Search with a Dynamic Restart Policy
In this work we explore how the complexity of a problem domain affects the performance of evolutionary search using a performance-based restart policy. Previous research indicates...
Michael Solano, Istvan Jonyer
JMLR
2012
11 years 10 months ago
Hierarchical Relative Entropy Policy Search
Many real-world problems are inherently hierarchically structured. The use of this structure in an agent’s policy may well be the key to improved scalability and higher performa...
Christian Daniel, Gerhard Neumann, Jan Peters
NIPS
2003
13 years 9 months ago
Bounded Finite State Controllers
We describe a new approximation algorithm for solving partially observable MDPs. Our bounded policy iteration approach searches through the space of bounded-size, stochastic fini...
Pascal Poupart, Craig Boutilier