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CEC
2011
IEEE
12 years 11 months ago
Stochastic Natural Gradient Descent by estimation of empirical covariances
—Stochastic relaxation aims at finding the minimum of a fitness function by identifying a proper sequence of distributions, in a given model, that minimize the expected value o...
Luigi Malagò, Matteo Matteucci, Giovanni Pi...
AMW
2009
14 years 3 days ago
Bi-Level Mapping: Combining Schema and Data Level Heterogeneity in Peer Data Sharing Systems
Abstract. Peer data sharing systems use either schema-level or data-level mappings to resolve schema as well as data heterogeneity among data sources (peers). Schema-level mappings...
Md. Anisur Rahman, Mehedi Masud, Iluju Kiringa, Ab...
ICASSP
2008
IEEE
14 years 5 months ago
On nonlinear transformations of stochastic variables and its application to nonlinear filtering
A class of nonlinear transformation-based filters (NLTF) for state estimation is proposed. The nonlinear transformations that can be used include first (TT1) and second (TT2) or...
Fredrik Gustafsson, Gustaf Hendeby
SAC
2004
ACM
14 years 4 months ago
A framework for the classification and the reclassification of electronic catalogs
Electronic marketplaces are virtual communities where buyers may meet proposals of several suppliers and make the best choice. The exponential increment of the e-commerce amplifie...
Domenico Beneventano, Stefania Magnani
TPHOL
2009
IEEE
14 years 5 months ago
Types, Maps and Separation Logic
Abstract. This paper presents a separation-logic framework for reasoning about low-level C code in the presence of virtual memory. We describe ract, generic Isabelle/HOL framework ...
Rafal Kolanski, Gerwin Klein