Causal DAG Summarization (Full Version)

Fuente: arXiv
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Autori principali: Zeng, Anna, Cafarella, Michael, Kenig, Batya, Markakis, Markos, Youngmann, Brit, Salimi, Babak
Natura: Preprint
Pubblicazione: 2025
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author Zeng, Anna
Cafarella, Michael
Kenig, Batya
Markakis, Markos
Youngmann, Brit
Salimi, Babak
author_facet Zeng, Anna
Cafarella, Michael
Kenig, Batya
Markakis, Markos
Youngmann, Brit
Salimi, Babak
contents Causal inference aids researchers in discovering cause-and-effect relationships, leading to scientific insights. Accurate causal estimation requires identifying confounding variables to avoid false discoveries. Pearl's causal model uses causal DAGs to identify confounding variables, but incorrect DAGs can lead to unreliable causal conclusions. However, for high dimensional data, the causal DAGs are often complex beyond human verifiability. Graph summarization is a logical next step, but current methods for general-purpose graph summarization are inadequate for causal DAG summarization. This paper addresses these challenges by proposing a causal graph summarization objective that balances graph simplification for better understanding while retaining essential causal information for reliable inference. We develop an efficient greedy algorithm and show that summary causal DAGs can be directly used for inference and are more robust to misspecification of assumptions, enhancing robustness for causal inference. Experimenting with six real-life datasets, we compared our algorithm to three existing solutions, showing its effectiveness in handling high-dimensional data and its ability to generate summary DAGs that ensure both reliable causal inference and robustness against misspecifications.
format Preprint
id arxiv_https___arxiv_org_abs_2504_14937
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Causal DAG Summarization (Full Version)
Zeng, Anna
Cafarella, Michael
Kenig, Batya
Markakis, Markos
Youngmann, Brit
Salimi, Babak
Machine Learning
Databases
Methodology
Causal inference aids researchers in discovering cause-and-effect relationships, leading to scientific insights. Accurate causal estimation requires identifying confounding variables to avoid false discoveries. Pearl's causal model uses causal DAGs to identify confounding variables, but incorrect DAGs can lead to unreliable causal conclusions. However, for high dimensional data, the causal DAGs are often complex beyond human verifiability. Graph summarization is a logical next step, but current methods for general-purpose graph summarization are inadequate for causal DAG summarization. This paper addresses these challenges by proposing a causal graph summarization objective that balances graph simplification for better understanding while retaining essential causal information for reliable inference. We develop an efficient greedy algorithm and show that summary causal DAGs can be directly used for inference and are more robust to misspecification of assumptions, enhancing robustness for causal inference. Experimenting with six real-life datasets, we compared our algorithm to three existing solutions, showing its effectiveness in handling high-dimensional data and its ability to generate summary DAGs that ensure both reliable causal inference and robustness against misspecifications.
title Causal DAG Summarization (Full Version)
topic Machine Learning
Databases
Methodology
url https://arxiv.org/abs/2504.14937