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Weakly Supervised Causal Discovery Based on Fuzzy Knowledge and Complex Data Complementarity
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DOI：10.1109/TFUZZ.2024.3471187.png)
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摘要
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Causal discovery based on observational data is important for deciphering the causal mechanism behind complex systems. However, the effectiveness of existing causal discovery methods is limited due to inferior prior knowledge, domain inconsistencies, and the challenges of high-dimensional datasets with small sample sizes. To address this gap, we propose a novel weakly supervised fuzzy knowledge and data co-driven causal discovery method named KEEL. KEEL introduces a fuzzy causal knowledge schema to encapsulate diverse types of fuzzy knowledge, and forms corresponding weakened constraints. This schema not only lessens the dependency on expertise but also allows various types of limited and error-prone fuzzy knowledge to guide causal discovery. It can enhance the generalization and robustness of causal discovery, especially in high-dimensional and small-sample scenarios. In addition, we integrate the extended linear causal model into KEEL for dealing with the multi-distribution and incomplete data. Extensive experiments with different datasets demonstrate the superiority of KEEL over several state-of-the-art methods in accuracy, robustness and efficiency. The effectiveness of KEEL is also verified in limited real protein signal transduction process data, with the better performance than benchmark methods. In summary, KEEL is effective to tackle the causal discovery tasks with higher accuracy while alleviating the requirement for extensive domain expertise.
Keyword:
Data models
Accuracy
Optimization
Computational modeling
Adaptation models
Robustness
Computational efficiency
Computational complexity
Complex systems
Fuzzy systems
Causal discovery
complex system
fuzzy knowledge
knowledge-data co-driven
weakly supervised learning
期刊
IF:
11.9
论文数:
5.0K
被引数:
2.9W
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分享收藏Detecting and quantifying causal associations in large nonlinear time series datasets.png)
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