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Chengyi Liu — most-cited papers & profile · Large Language Models
← authors
·
overview
Chengyi Liu
4
papers ·
0
citations ·
1
h-index
Hong Kong Polytechnic University
Google Scholar ↗
Semantic Scholar ↗
OpenAlex ↗
Most-cited papers
Mixture-of-Experts Knowledge Graph Retrieval-Augmented Generation for Multi-Agent LLM-based Recommendation
2026
Continuous-time Discrete-space Diffusion Model for Recommendation
2025
Score-based Generative Diffusion Models for Social Recommendations
2024
Graph Defense Diffusion Model
2025
Topics
Graph-based
LLM-based
Collaborative Filtering
Two-Tower & Retrieval
GNN Architectures
Theory & Expressivity