Yihao Wang

U-GIFT: Uncertainty-Guided Firewall for Toxic Speech in Few-Shot Scenario

2025 · arXiv (Cornell University)

With the widespread use of social media, user-generated content has surged on online platforms. When such content includes hateful, abusive, offensive, or cyberbullying behavior, it is classified as toxic speech, posing a significant threat to …

<scp>GSSFL</scp> : A Group Signature and Smart Contract‐Based Framework for Privacy‐Preserving Federated Learning

2025 · Expert Systems

ABSTRACT Federated learning has emerged as a powerful paradigm for collaborative machine learning across multiple parties, holding considerable potential for modern industries. However, its inherently decentralised and collaborative nature raises critical concerns about data security …