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ACL
1998
13 years 9 months ago
A Descriptive Characterization of Tree-Adjoining Languages (Project Note)
Since the early Sixties and Seventies it has been known that the regular and context-free languages arc characterized by definability in the monadic second-order theory of certain...
James Rogers
TSP
2008
89views more  TSP 2008»
13 years 7 months ago
A Geometrical Study of Matching Pursuit Parametrization
This paper studies the effect of discretizing the parametrization of a dictionary in the particular context of Matching Pursuit decompositions of signals. Our approach relies on th...
Laurent Jacques, Christophe De Vleeschouwer
SIAMCO
2002
78views more  SIAMCO 2002»
13 years 7 months ago
Strong Optimality for a Bang-Bang Trajectory
In this paper we give sufficient conditions for a bang-bang regular extremal to be a strong local optimum for a control problem in the Mayer form; strong means that we consider the...
Andrei A. Agrachev, Gianna Stefani, PierLuigi Zezz...
SMI
2010
IEEE
204views Image Analysis» more  SMI 2010»
13 years 6 months ago
Generalized PolyCube Trivariate Splines
Abstract—This paper develops a new trivariate hierarchical spline scheme for volumetric data representation. Unlike conventional spline formulations and techniques, our new frame...
Bo Li, Xin Li, Kexiang Wang, Hong Qin
JMLR
2010
154views more  JMLR 2010»
13 years 2 months ago
Infinite Predictor Subspace Models for Multitask Learning
Given several related learning tasks, we propose a nonparametric Bayesian model that captures task relatedness by assuming that the task parameters (i.e., predictors) share a late...
Piyush Rai, Hal Daumé III