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» Approximate zero-variance simulation
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TSP
2010
15 years 29 days ago
Source extraction by maximizing the variance in the conditional distribution tails
This paper presents a method for signal extraction based on conditional second-order moments of the output of the extraction filter. The estimator of the filter is derived from an ...
Ronald Phlypo, Vicente Zarzoso, Ignace Lemahieu
CSDA
2008
67views more  CSDA 2008»
15 years 6 months ago
How useful are approximations to mean and variance of the index of dissimilarity?
Sociologists, demographers, and economists often use the index of dissimilarity, D, to describe the extent of racial, ethnic, spatial, or areal dissimilarity (or segregation) of d...
Madhuri S. Mulekar, John C. Knutson, Jyoti A. Cham...
ENTCS
2007
85views more  ENTCS 2007»
15 years 6 months ago
Proving Approximate Implementations for Probabilistic I/O Automata
In this paper we introduce the notion of approximate implementations for Probabilistic I/O Automata (PIOA) and develop methods for proving such relationships. We employ a task str...
Sayan Mitra, Nancy A. Lynch
ATAL
2006
Springer
15 years 10 months ago
False-name-proof combinatorial auction protocol: Groves Mechanism with SubModular Approximation
This paper develops a new combinatorial auction protocol called the Groves Mechanism with SubModular Approximation (GM-SMA). This protocol satisfies the following characteristics:...
Makoto Yokoo, Toshihiro Matsutani, Atsushi Iwasaki
NIPS
2008
15 years 7 months ago
Relative Performance Guarantees for Approximate Inference in Latent Dirichlet Allocation
Hierarchical probabilistic modeling of discrete data has emerged as a powerful tool for text analysis. Posterior inference in such models is intractable, and practitioners rely on...
Indraneel Mukherjee, David M. Blei