no code implementations • LREC 2022 • Meihuizi Jia, Ruixue Liu, Peiying Wang, Yang song, Zexi Xi, Haobin Li, Xin Shen, Meng Chen, Jinhui Pang, Xiaodong He
There has been a growing interest in developing conversational recommendation system (CRS), which provides valuable recommendations to users through conversations.
no code implementations • 19 Feb 2024 • Shuai Zhao, Leilei Gan, Luu Anh Tuan, Jie Fu, Lingjuan Lyu, Meihuizi Jia, Jinming Wen
Motivated by this insight, we developed a Poisoned Sample Identification Module (PSIM) leveraging PEFT, which identifies poisoned samples through confidence, providing robust defense against weight-poisoning backdoor attacks.
no code implementations • 11 Jan 2024 • Shuai Zhao, Meihuizi Jia, Luu Anh Tuan, Fengjun Pan, Jinming Wen
Our studies demonstrate that an attacker can manipulate the behavior of large language models by poisoning the demonstration context, without the need for fine-tuning the model.
no code implementations • 27 Nov 2022 • Meihuizi Jia, Lei Shen, Xin Shen, Lejian Liao, Meng Chen, Xiaodong He, Zhendong Chen, Jiaqi Li
Multimodal named entity recognition (MNER) is a critical step in information extraction, which aims to detect entity spans and classify them to corresponding entity types given a sentence-image pair.
no code implementations • ACL 2021 • Fei Li, Zheng Wang, Siu Cheung Hui, Lejian Liao, Dandan song, Jing Xu, Guoxiu He, Meihuizi Jia
Although the existing Named Entity Recognition (NER) models have achieved promising performance, they suffer from certain drawbacks.