Welcome! I’m a second-year Ph.D. student supervised by Prof. Hongfei Lin at the School of Computer Science and Technology, Dalian University of Technology, China. I’m also a member of Information Retrieval Laboratory (DUTIR). Here is my CV.

Research Interests

• Large Language Model Security Computing
• Hate Speech and Hateful Meme Detection
• Implicit Sentiment Analysis

Main Publications

• Junyu Lu, Bo Xu, Xiaokun Zhang, Hongbo Wang, Haohao Zhu, Dongyu Zhang, Liang Yang, Hongfei Lin. Towards Comprehensive Detection of Chinese Harmful Memes. NeurIPS 2024. [paper] [code]
• Junyu Lu, Bo Xu, Xiaokun Zhang, Changrong Min, Liang Yang*, Hongfei Lin. Facilitating Fine-grained Detection of Chinese Toxic Language: Hierarchical Taxonomy, Resources, and Benchmarks. ACL 2023. [paper] [code]
• Junyu Lu, Hongfei Lin, Xiaokun Zhang, Zhaoqing Li, Tongyue Zhang, Linlin Zong, Fenglong Ma, Bo Xu*. Hate Speech Detection via Dual Contrastive Learning. TASLP 2023. [paper]
• Junyu Lu, Bo Xu, Xiaokun Zhang, Kaiyuan Liu, Dongyu Zhang, Liang Yang, Hongfei Lin*. Take its Essence, Discard its Dross! Debiasing for Toxic Language Detection via Counterfactual Causal Effect. LREC-COLING 2024. [paper] [code]
• Junyu Lu, Hao Zhang, Zhexu Shen, Kaiyuan Shi, Liang Yang, Bo Xu, Shaowu Zhang, Hongfei Lin*. Multi-task Hierarchical Cross-Attention Network for Multi-label Text Classification. NLPCC 2022. [paper] [code]

Other Publications

• Hongbo Wang, Mingda Li, Junyu Lu, Hebin Xia, Liang Yang, Bo Xu, Ruizhu Liu, Hongfei Lin*. PclGPT: A Large Language Model for Patronizing and Condescending Language Detection. EMNLP 2024. [paper] [code]
• Weiru Fu, Junyu Lu, Youlin Wu, Guangtao Xu, Liang Yang, Hongfei Lin*, Jian Wang. CFAH: A Chinese Dataset for Detecting False Advertising in Healthcare. BIBM 2024. [code]

Note: * indicates the corresponding author. The full list of publications is in Google Scholar.

Education

• 2023.9 - now, Ph.D. student, School of Computer Science and Technology, Dalian University of Technology.
• 2021.9 - 2023.6, M.Sc. candidate, School of Computer Science and Technology, Dalian University of Technology.
• 2017.9 - 2021.6, B.Sc, School of Computer Science and Technology, Dalian University of Technology.

Technical Evaluation

• 2024.7, CCAC2024 Task1 Track1: Few-shot User Query Security Detection, Chinese Information Processing Society of China, The 2nd Place in 30+ Teams. [task]
• 2024.7, CCAC2024 Task1 Track2: Few-shot User Model Response Detection, Chinese Information Processing Society of China, The 1st Place in 30+ Teams. [task]
• 2022.5, NLPCC2022 Task5 Track1: Multi-label Classification Model for English Scientific Literature, China Computer Federation, The 2nd Place in 40+ Teams. [task] [report]
• 2020.9, CCF-BDCI2020: E-commerce User Purchasing Behavior Prediction, China Computer Federation, The 5th Place in 120+ Teams. [task]

Experience

• 2022.7 - 2022.12, Research Intern, China Mobile Research Institution, Beijing, China.

Project

• 2022.8, Hate Speech Dataset Catalogue, Contributor. [repo]
• 2024.5, Campus Intelligence System based on LLM, Key Participants.

Talk

• 2024.11, NeurIPS2024 Pre-Presentation Meeting. AI Time. [news][video]
• 2024.11, Academic Forum for Doctoral Students in 2024. School of Computer Science and Technology, Dalian University of Technology. [news]

Awards

• National Scholarship. The Ministry of Education of the People’s Republic of China. 2023.
• Huawei Scholarship. Huawei Technologies Co., Ltd. & Dalian University of Technology. 2022.
• Xianglian Scholarship. Dalian University of Technology. 2024.
• First Prize Scholarship for Postgraduate. Dalian University of Technology. 2022-2023.
• Excellent Postgraduate. Dalian University of Technology. 2022-2023.