Search Results for author: Xuange Cui

Found 2 papers, 1 papers with code

ZhichunRoad at SemEval-2022 Task 2: Adversarial Training and Contrastive Learning for Multiword Representations

no code implementations SemEval (NAACL) 2022 Xuange Cui, Wei Xiong, Songlin Wang

This paper presents our contribution to the SemEval-2022 Task 2: Multilingual Idiomaticity Detection and Sentence Embedding. We explore the impact of three different pre-trained multilingual language models in the SubTaskA. By enhancing the model generalization and robustness, we use the exponential moving average (EMA) method and the adversarial attack strategy. In SubTaskB, we add an effective cross-attention module for modeling the relationships of two sentences. We jointly train the model with a contrastive learning objective and employ a momentum contrast to enlarge the number of negative pairs. Additionally, we use the alignment and uniformity properties to measure the quality of sentence embeddings. Our approach obtained competitive results in both subtasks.

Adversarial Attack Contrastive Learning +2

ZhichunRoad at Amazon KDD Cup 2022: MultiTask Pre-Training for E-Commerce Product Search

1 code implementation31 Jan 2023 Xuange Cui, Wei Xiong, Songlin Wang

In this paper, we propose a robust multilingual model to improve the quality of search results.

Contrastive Learning

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