Search Results for author: Shaojuan Wu

Found 4 papers, 1 papers with code

Re-embedding Difficult Samples via Mutual Information Constrained Semantically Oversampling for Imbalanced Text Classification

no code implementations EMNLP 2021 Jiachen Tian, Shizhan Chen, Xiaowang Zhang, Zhiyong Feng, Deyi Xiong, Shaojuan Wu, Chunliu Dou

Difficult samples of the minority class in imbalanced text classification are usually hard to be classified as they are embedded into an overlapping semantic region with the majority class.

Decoder text-classification +1

Relative Counterfactual Contrastive Learning for Mitigating Pretrained Stance Bias in Stance Detection

no code implementations16 May 2024 Jiarui Zhang, Shaojuan Wu, Xiaowang Zhang, Zhiyong Feng

Then, based on masked language model prediction, we present a target-aware relative stance sample generation method for obtaining relative bias.

Contrastive Learning counterfactual +3

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