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» Sample Evaluation of Ontology-Matching Systems
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WSDM
2012
ACM
214views Data Mining» more  WSDM 2012»
14 years 1 months ago
Selecting actions for resource-bounded information extraction using reinforcement learning
Given a database with missing or uncertain content, our goal is to correct and fill the database by extracting specific information from a large corpus such as the Web, and to d...
Pallika H. Kanani, Andrew K. McCallum
CORR
2006
Springer
113views Education» more  CORR 2006»
15 years 5 months ago
A Unified View of TD Algorithms; Introducing Full-Gradient TD and Equi-Gradient Descent TD
This paper addresses the issue of policy evaluation in Markov Decision Processes, using linear function approximation. It provides a unified view of algorithms such as TD(), LSTD()...
Manuel Loth, Philippe Preux
ECAI
2004
Springer
15 years 11 months ago
Attention-Driven Parts-Based Object Detection
Recent studies have argued that natural vision systems perform classification by utilizing different mechanisms depending on the visual input. In this paper we present a hybrid, ...
Ilkka Autio, Jussi T. Lindgren
VR
2000
IEEE
103views Virtual Reality» more  VR 2000»
15 years 10 months ago
Extending Locales: Awareness Management in MASSIVE-3
Locales (as first embodied in the SPLINE system) are a very good approach to constructing and organising large virtual environments, especially for distributed and multiuser syste...
Jim Purbrick, Chris Greenhalgh
CGI
1997
IEEE
15 years 10 months ago
Distortion Correction of Magnetic Fields for Position Tracking
Electro-magnetic tracking systems are in wide-spread use for measuring 6D positions. However, their accuracy is impaired seriously by distortions of the magnetic fields caused by...
Gabriel Zachmann