Search Results for author: Congzhi Zhang

Found 2 papers, 1 papers with code

Causal Prompting: Debiasing Large Language Model Prompting based on Front-Door Adjustment

no code implementations5 Mar 2024 Congzhi Zhang, Linhai Zhang, Deyu Zhou, Guoqiang Xu

In specific, causal intervention is implemented by designing the prompts without accessing the parameters and logits of LLMs. The chain-of-thoughts generated by LLMs are employed as the mediator variable and the causal effect between the input prompt and the output answers is calculated through front-door adjustment to mitigate model biases.

Contrastive Learning Data Augmentation +3

Causal Walk: Debiasing Multi-Hop Fact Verification with Front-Door Adjustment

1 code implementation5 Mar 2024 Congzhi Zhang, Linhai Zhang, Deyu Zhou

Conventional multi-hop fact verification models are prone to rely on spurious correlations from the annotation artifacts, leading to an obvious performance decline on unbiased datasets.

Causal Inference counterfactual +4

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