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ICML
2003
IEEE
14 years 10 months ago
Semi-Supervised Learning Using Gaussian Fields and Harmonic Functions
An approach to semi-supervised learning is proposed that is based on a Gaussian random field model. Labeled and unlabeled data are represented as vertices in a weighted graph, wit...
Xiaojin Zhu, Zoubin Ghahramani, John D. Lafferty
ATAL
2004
Springer
14 years 3 months ago
Effectiveness of Query Types and Policies for Preference Elicitation in Combinatorial Auctions
Combinatorial auctions, where agents can bid on bundles of items (resources, tasks, etc.), are desirable because the agents can express complementarity and substitutability among ...
Benoît Hudson, Tuomas Sandholm
ISMDA
2003
Springer
14 years 3 months ago
Data Imbalance in Surveillance of Nosocomial Infections
Abstract. An important problem that arises in hospitals is the monitoring and detection of nosocomial or hospital acquired infections (NIs). This paper describes a retrospective an...
Gilles Cohen, Melanie Hilario, Hugo Sax, Sté...
NIPS
2003
13 years 11 months ago
Ranking on Data Manifolds
The Google search engine has enjoyed huge success with its web page ranking algorithm, which exploits global, rather than local, hyperlink structure of the web using random walks....
Dengyong Zhou, Jason Weston, Arthur Gretton, Olivi...
IJCV
2000
110views more  IJCV 2000»
13 years 9 months ago
A Parametric Texture Model Based on Joint Statistics of Complex Wavelet Coefficients
We present a universal statistical model for texture images in the context of an overcomplete complex wavelet transform. The model is parameterized by a set of statistics computed ...
Javier Portilla, Eero P. Simoncelli