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ICML
2007
IEEE
14 years 11 months ago
Learning state-action basis functions for hierarchical MDPs
This paper introduces a new approach to actionvalue function approximation by learning basis functions from a spectral decomposition of the state-action manifold. This paper exten...
Sarah Osentoski, Sridhar Mahadevan
WWW
2003
ACM
14 years 10 months ago
Offering open hypermedia services to the WWW: a step-by-step approach for developers
Hypermedia systems and more specifically open hypermedia systems (OHS) provide a rich set of implementations of different hypertext flavors such as navigational hypertext, spatial...
Nikos Karousos, Ippokratis Pandis, Siegfried Reich...
CVPR
2010
IEEE
14 years 6 months ago
A New Texture Descriptor Using Multifractal Analysis in Multi-orientation Wavelet Pyramid
Based on multifractal analysis in wavelet pyramids of texture images, a new texture descriptor is proposed in this paper that implicitly combines information from both spatial and...
Yong Xu, Xiong Yang, Haibin Ling, Hui Ji
DCC
2010
IEEE
14 years 5 months ago
Estimation-Theoretic Delayed Decoding of Predictively Encoded Video Sequences
Current video coding schemes employ motion compensation to exploit the fact that the signal forms an auto-regressive process along the motion trajectory, and remove temporal redun...
Jingning Han, Vinay Melkote, Kenneth Rose
WEBDB
2009
Springer
112views Database» more  WEBDB 2009»
14 years 4 months ago
Querying DAG-shaped Execution Traces Through Views
The question whether a given set of views, defined by queries, can be used to answer another query, arises in several contexts such as query optimization, data integration and se...
Maya Ben-Ari, Tova Milo, Elad Verbin