Jianfeng Chi

Pick and Choose: A GNN-based Imbalanced Learning Approach for Fraud Detection

Yang Liu, Xiang Ao, Zidi Qin et al. · 2021 · 354 citations · Full text

Fraud Detection, Engineering, Machine Learning +18

AUC-oriented Graph Neural Network for Fraud Detection

Mengda Huang, Yang Liu, Xiang Ao et al. · Proceedings of the ACM Web Conference 2022 · 2022 · 79 citations · Full text

Fraud Detection, Artificial Intelligence, Engineering +16

Reliable Representations Make A Stronger Defender

Kuan Li, Yang Liu, Xiang Ao et al. · Proceedings of the 28th ACM SIGKDD Conference on Knowledge Discovery and Data Mining · 2022 · 57 citations · Full text

Artificial Intelligence, Graph Representation Learning, Machine Learning +21

PolicyQA: A Reading Comprehension Dataset for Privacy Policies

Wasi Uddin Ahmad, Jianfeng Chi, Yuan Tian et al. · 2020 · 48 citations · Full text

Privacy Protection, Engineering, Policy Documents +17

Llama Guard: LLM-based Input-Output Safeguard for Human-AI Conversations

Hakan Inan, Kartikeya Upasani, Jianfeng Chi et al. · arXiv (Cornell University) · 2023 · 43 citations · Full text

Artificial Intelligence, Llm Fine-tuning, Engineering +20