activity
20232026
collaborators

6 papers

cs.DC2026

Tessera: Demand-Driven KV Cache Management for Retrieval-Augmented LLM Serving

Fei Fang, Chung-Hsiang Lo, Yi Liu +2

RAG and retrieval-based agent memory both inject retrieved content into LLM prompts, as document chunks and recalled memory records, respectively. The same content can recur across…

cs.NI2026

Semord: Learned Semantic-Preserving Placement and Low-Fanout Routing for Distributed Vector Search

Shengze Wang, Yi Liu, Yifan Hua +2

Vector databases are increasingly deployed in distributed settings where different users, sites, or domains maintain vector data. Existing vector databases rely on a coordinator to…

cs.AI2025

Incentivizing High-quality Participation From Federated Learning Agents

Jinlong Pang, Jiaheng Wei, Yifan Hua +2

Federated learning (FL) provides a promising paradigm for facilitating collaboration between multiple clients that jointly learn a global model without directly sharing their local…

cs.DC2025

PlanetServe: A Decentralized, Scalable, and Privacy-Preserving Overlay for Democratizing Large Language Model Serving

Fei Fang, Yifan Hua, Shengze Wang +4

While significant progress has been made in research and development on open-source and cost-efficient large-language models (LLMs), serving scalability remains a critical challeng…

cs.DC2024

Towards Practical Overlay Networks for Decentralized Federated Learning

Yifan Hua, Jinlong Pang, Xiaoxue Zhang +5

Decentralized federated learning (DFL) uses peer-to-peer communication to avoid the single point of failure problem in federated learning and has been considered an attractive solu…

cs.CR2023

Secure Decentralized Learning with Blockchain

Xiaoxue Zhang, Yifan Hua, Chen Qian

Federated Learning (FL) is a well-known paradigm of distributed machine learning on mobile and IoT devices, which preserves data privacy and optimizes communication efficiency. To…