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ACL
1996
13 years 11 months ago
Generating an LTAG out of a Principle-based Hierarchical Representation
Lexicalized Tree Adjoining Grammars have proved useful for NLP. However, numerous redundancy problems face LTAGs developers, as highlighted by Vijay-Shanker and Schabes (92). We p...
Marie-Hélène Candito
CVPR
2007
IEEE
14 years 11 months ago
Matching Local Self-Similarities across Images and Videos
We present an approach for measuring similarity between visual entities (images or videos) based on matching internal self-similarities. What is correlated across images (or acros...
Eli Shechtman, Michal Irani
AUSAI
2005
Springer
14 years 3 months ago
Global Versus Local Constructive Function Approximation for On-Line Reinforcement Learning
: In order to scale to problems with large or continuous state-spaces, reinforcement learning algorithms need to be combined with function approximation techniques. The majority of...
Peter Vamplew, Robert Ollington
ICRA
2002
IEEE
142views Robotics» more  ICRA 2002»
14 years 2 months ago
Hybrid Simultaneous Localization and Map Building: Closing the Loop with Multi-Hypotheses Tracking
In this paper simultaneous localization and map building is performed with a hybrid, metric - topological, approach. A global topological map connects local metric maps, allowing ...
Nicola Tomatis, Illah R. Nourbakhsh, Roland Siegwa...
CDC
2009
IEEE
14 years 2 months ago
Two-dimensional almost-Riemannian structures with tangency points
Two-dimensional almost-Riemannian structures are generalized Riemannian structures on surfaces for which a local orthonormal frame is given by a Lie bracket generating pair of vec...
Andrei A. Agrachev, Ugo V. Boscain, Gregoire Charl...