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145
Voted
ICML
2007
IEEE
16 years 4 months ago
2007
IEEE
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...
142
Voted
ISBI
2006
IEEE
2006
IEEE
Mixture principal component analysis for distribution volume parametric imaging in brain PET studies
16 years 4 months ago
In this paper, we present a mixture Principal Component Analysis (mPCA)-based approach for voxel level quantification of dynamic positron emission tomography (PET) data in brain s...
133
Voted
WWW
2008
ACM
16 years 4 months ago
2008
ACM
In this paper, we formally define the problem of topic modeling with network structure (TMN). We propose a novel solution to this problem, which regularizes a statistical topic mo...
126
Voted
WWW
2005
ACM
16 years 4 months ago
2005
ACM
Semantic Portal is the next generation of web portals that are powered by Semantic Web technologies for improved information sharing and exchange for a community of users. Current...
238
Voted
POPL
2009
ACM
16 years 4 months ago
2009
ACM
Linguists seek to understand the semantics of expressions in human languages. Taking a computational point of view, there are many natural language expressions--operators in the w...