Open AccessProceedings Article
Chain graphs for learning
Wray Buntine
- 18 Aug 1995
pp 46-54
TL;DR: In this article, a simplified definition of chain graphs based on a hierarchical combination of Bayesian (directed) and Markov (undirected) networks is given, which combines properties of the two.
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Abstract: Chain graphs combine directed and undi rected graphs and their underlying mathe matics combines properties of the two. This paper gives a simplified definition of chain graphs based on a hierarchical combination of Bayesian (directed) and Markov (undirected) networks. Examples of a chain graph are multivariate feed-forward networks, cluster ing with conditional interaction between vari ables, and forms of Bayes classifiers. Chain graphs are then extended using the notation of plates so that samples and data analysis problems can be represented in a graphical model as well. Implications for learning are discussed in the conclusion.
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