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In this paper, we introduce VACA, a novel class of vari- ational graph autoencoders for causal inference in the ab- sence of hidden confounders, when only observational data and the causal graph are available. Without making any para- metric assumptions, VACA mimics the necessary properties of a Structural Causal Model (SCM) to provide a flexible and practical framework for approximating interventions (do- operator) and abduction-action-prediction steps. As a result, and as shown by our empirical results, VACA accurately ap- proximates the interventional and counterfactual distributions on diverse SCMs. Finally, we apply VACA to evaluate coun- terfactual fairness in fair classification problems, as well as to learn fair classifiers without compromising performance.
@conference{Sanchez22VACA, title = {VACA Designing Variational Graph Autoencoders for Causal Queries}, booktitle = {Proceedings of the AAAI Conference on Artificial Intelligence}, abstract = {In this paper, we introduce VACA, a novel class of vari- ational graph autoencoders for causal inference in the ab- sence of hidden confounders, when only observational data and the causal graph are available. Without making any para- metric assumptions, VACA mimics the necessary properties of a Structural Causal Model (SCM) to provide a flexible and practical framework for approximating interventions (do- operator) and abduction-action-prediction steps. As a result, and as shown by our empirical results, VACA accurately ap- proximates the interventional and counterfactual distributions on diverse SCMs. Finally, we apply VACA to evaluate coun- terfactual fairness in fair classification problems, as well as to learn fair classifiers without compromising performance.}, volume = {36}, number = {7}, year = {2022}, author = {Sanchez-Martin, Pablo and Rateike, Miriam and Valera, Isabel}, url = {https://ojs.aaai.org/index.php/AAAI/article/download/20789/20548} }
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