Search Results for author: Yuchen Zhai

Found 5 papers, 2 papers with code

Counterfactual Generator: A Weakly-Supervised Method for Named Entity Recognition

1 code implementation EMNLP 2020 Xiangji Zeng, Yunliang Li, Yuchen Zhai, Yin Zhang

In this paper, we decompose the sentence into two parts: entity and context, and rethink the relationship between them and model performance from a causal perspective.

counterfactual named-entity-recognition +3

UnClE: Explicitly Leveraging Semantic Similarity to Reduce the Parameters of Word Embeddings

no code implementations Findings (EMNLP) 2021 Zhi Li, Yuchen Zhai, Chengyu Wang, Minghui Qiu, Kailiang Li, Yin Zhang

Inspired by the fact that words with similar semantic can share a part of weights, we divide the embeddings of words into two parts: unique embedding and class embedding.

Language Modelling Semantic Similarity +2

Similar Scenes arouse Similar Emotions: Parallel Data Augmentation for Stylized Image Captioning

no code implementations26 Aug 2021 Guodun Li, Yuchen Zhai, Zehao Lin, Yin Zhang

Second, we construct the plugable multi-modal scene retriever to retrieve scenes represented with pairs of an image and its stylized caption, which are similar to the query image or caption in the large-scale factual data.

Data Augmentation Image Captioning +1

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