Chengyi Liu

The Hong Kong Polytechnic University

Papers on Lattice

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Publication activitypapers/week, last 8 weeks

Research focus

Architecture Design (Transformers, SSMs, MoE) (1)Recommendation & Information Retrieval (1)Tool Use & Agents (1)

Frequent co-authors

Shijie Wang (1)Yujuan Ding (1)Shanru Lin (1)See-Kiong Ng (1)

Papers (1)

May 27, 2026

NUS1w ago·also HKU, PolyU

Mixture-of-Experts Knowledge Graph Retrieval-Augmented Generation for Multi-Agent LLM-based Recommendation

LLM-based recommendation systems can now dynamically adjust the granularity of knowledge graph retrieval, boosting performance by adapting to the complexity of user queries.

Shijie Wang, Chengyi Liu, Yujuan Ding +4

Architecture Design (Transformers, SSMs, MoE)Recommendation & Information Retrieval Tool Use & Agents

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Chengyi Liu

Publication activitypapers/week, last 8 weeks

Research focus

Frequent co-authors

Papers (1)