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Causal analysis with chain event graphs
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Thwaites, Peter, Smith, J. Q. and Riccomagno, Eva (2010) Causal analysis with chain event graphs. Artificial Intelligence, Vol.174 (No.12-13). pp. 889-909. doi:10.1016/j.artint.2010.05.004 ISSN 0004-3702.
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Official URL: http://dx.doi.org/10.1016/j.artint.2010.05.004
Abstract
As the Chain Event Graph (CEG) has a topology which represents sets of conditional independence statements, it becomes especially useful when problems lie naturally in a discrete asymmetric non-product space domain, or when much context-specific information is present. In this paper we show that it can also be a powerful representational tool for a wide variety of causal hypotheses in such domains. Furthermore, we demonstrate that, as with Causal Bayesian Networks (CBNs), the identifiability of the effects of causal manipulations when observations of the system are incomplete can be verified simply by reference to the topology of the CEG. We close the paper with a proof of a Back Door Theorem for CEGs, analogous to Pearl's Back Door Theorem for CBNs.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Statistics | ||||
Journal or Publication Title: | Artificial Intelligence | ||||
Publisher: | Elsevier BV | ||||
ISSN: | 0004-3702 | ||||
Official Date: | August 2010 | ||||
Dates: |
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Volume: | Vol.174 | ||||
Number: | No.12-13 | ||||
Page Range: | pp. 889-909 | ||||
DOI: | 10.1016/j.artint.2010.05.004 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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