Fanchao Qi

Country Image in COVID-19 Pandemic: A Case Study of China

2020 · IEEE Transactions on Big Data

Country image has a profound influence on international relations and economic development. In the worldwide outbreak of COVID-19, countries and their people display different reactions, resulting in diverse perceived images among foreign public. Therefore, in …

OpenAttack: An Open-source Textual Adversarial Attack Toolkit

2021

Guoyang Zeng, Fanchao Qi, Qianrui Zhou, Tingji Zhang, Zixian Ma, Bairu Hou, Yuan Zang, Zhiyuan Liu, Maosong Sun. Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint …

SHUOWEN-JIEZI: Linguistically Informed Tokenizers For Chinese Language Model Pretraining

2021 · arXiv (Cornell University)

Conventional tokenization methods for Chinese pretrained language models (PLMs) treat each character as an indivisible token (Devlin et al., 2019), which ignores the characteristics of the Chinese writing system. In this work, we comprehensively study …

Mind the Style of Text! Adversarial and Backdoor Attacks Based on Text Style Transfer

2021 · Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing

Adversarial attacks and backdoor attacks are two common security threats that hang over deep learning. Both of them harness taskirrelevant features of data in their implementation. Text style is a feature that is naturally irrelevant …