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» Sample Evaluation of Ontology-Matching Systems
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WSDM
2012
ACM
214views Data Mining» more  WSDM 2012»
12 years 3 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»
13 years 8 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
14 years 1 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»
14 years 10 days 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
14 years 5 days 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