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JMLR
2011
105views more  JMLR 2011»
14 years 12 months ago
Posterior Sparsity in Unsupervised Dependency Parsing
A strong inductive bias is essential in unsupervised grammar induction. In this paper, we explore a particular sparsity bias in dependency grammars that encourages a small number ...
Jennifer Gillenwater, Kuzman Ganchev, João ...
143
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TCOM
2010
77views more  TCOM 2010»
14 years 11 months ago
Semi-Analytical Performance Prediction Methods for Iterative MMSE-IC Multiuser MIMO Joint Decoding
In this paper, two semi-analytical performance prediction methods are proposed and compared for multiuser MIMO transmission over block-fading multipath channels and iterative MMSE...
Raphaël Visoz, Antoine O. Berthet, Massinissa...
TON
2010
126views more  TON 2010»
14 years 11 months ago
Cost-Effective Multiperiod Spraying for Routing in Delay-Tolerant Networks
In this paper, we present a novel multiperiod spraying algorithm for routing in delay-tolerant networks (DTNs). The goal is to minimize the average copy count used per message unti...
Eyuphan Bulut, Zijian Wang, Boleslaw K. Szymanski
INFOCOM
2011
IEEE
14 years 8 months ago
Approximate distance queries and compact routing in sparse graphs
—An approximate distance query data structure is a compact representation of a graph, and can be queried to approximate shortest paths between any pair of vertices. Any such data...
Rachit Agarwal, Philip Brighten Godfrey, Sariel Ha...
COCO
2007
Springer
108views Algorithms» more  COCO 2007»
15 years 11 months ago
The Communication Complexity of Correlation
We examine the communication required for generating random variables remotely. One party Alice will be given a distribution D, and she has to send a message to Bob, who is then r...
Prahladh Harsha, Rahul Jain, David A. McAllester, ...