Yujia Hu

Knowledge-refined Denoising Network for Robust Recommendation

2023

Knowledge graph (KG), which contains rich side information, becomes an essential part to boost the recommendation performance and improve its explainability. However, existing knowledge-aware recommendation methods directly perform information propagation on KG and user-item bipartite …

Toxicity Red-Teaming: Benchmarking LLM Safety in Singapore's Low-Resource Languages

2025 · arXiv (Cornell University)

The advancement of Large Language Models (LLMs) has transformed natural language processing; however, their safety mechanisms remain under-explored in low-resource, multilingual settings. Here, we aim to bridge this gap. In particular, we introduce \textsf{SGToxicGuard}, a …