Grey-box Adversarial Attack And Defence For Sentiment Classification

• URL: http://arxiv.org/abs/2103.11576v1
• Date: Mon, 22 Mar 2021 04:05:17 GMT
• Title: Grey-box Adversarial Attack And Defence For Sentiment Classification
• Authors: Ying Xu, Xu Zhong, Antonio Jimeno Yepes, Jey Han Lau
• Abstract summary: We introduce a grey-box adversarial attack and defence framework for sentiment classification. We address the issues of differentiability, label preservation and input reconstruction for adversarial attack and defence in one unified framework.
• Score: 19.466940655682727
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We introduce a grey-box adversarial attack and defence framework for sentiment classification. We address the issues of differentiability, label preservation and input reconstruction for adversarial attack and defence in one unified framework. Our results show that once trained, the attacking model is capable of generating high-quality adversarial examples substantially faster (one order of magnitude less in time) than state-of-the-art attacking methods. These examples also preserve the original sentiment according to human evaluation. Additionally, our framework produces an improved classifier that is robust in defending against multiple adversarial attacking methods. Code is available at: https://github.com/ibm-aur-nlp/adv-def-text-dist.

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