Rui Sun

Finding Potential Empathizers in an Online Mental Health Community: A Deep Graph Embedding Approach

2019

Empathic support in online health communities (OHCs) can significantly help patients to feel less suffering and pain, fight against their diseases, and eventually recover. However, effective empathic communications in real-world OHCs are of low percentage. …

Reverse Chain: A Generic-Rule for LLMs to Master Multi-API Planning

2024

While enabling large language models to implement function calling (known as APIs) can greatly enhance the performance of Large Language Models (LLMs), function calling is still a challenging task due to the complicated relations between …

Asynchronous Personalized Federated Learning through Global Memorization

2025 · arXiv (Cornell University)

The proliferation of Internet of Things devices and advances in communication technology have unleashed an explosion of personal data, amplifying privacy concerns amid stringent regulations like GDPR and CCPA. Federated Learning offers a privacy preserving …

Multi-modal Knowledge Graphs for Recommender Systems

2020

Recommender systems have shown great potential to solve the information explosion problem and enhance user experience in various online applications. To tackle data sparsity and cold start problems in recommender systems, researchers propose knowledge graphs …