Uncertainty in Artificial Intelligence
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Identification of Conditional Interventional Distributions
Ilya Shpitser, Judea Pearl
Abstract:
The subject of this paper is the elucidation of effects of actions from causal assumptions represented as a directed graph, and statistical knowledge given as a probability distribution. In particular, we are interested in predicting conditional distributions resulting from performing an action on a set of variables and, subsequently, taking measurements of another set. We provide a necessary and sufficient graphical condition for the cases where such distributions can be uniquely computed from the available information, as well as an algorithm which performs this computation whenever the condition holds. Furthermore, we use our results to prove completeness of do-calculus [Pearl, 1995] for the same identification problem.
Keywords:
Pages: 437-444
PS Link:
PDF Link: /papers/06/p437-shpitser.pdf
BibTex:
@INPROCEEDINGS{Shpitser06,
AUTHOR = "Ilya Shpitser and Judea Pearl",
TITLE = "Identification of Conditional Interventional Distributions",
BOOKTITLE = "Proceedings of the Twenty-Second Conference Annual Conference on Uncertainty in Artificial Intelligence (UAI-06)",
PUBLISHER = "AUAI Press",
ADDRESS = "Arlington, Virginia",
YEAR = "2006",
PAGES = "437--444"
}


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