Yipeng Zhou

Who are Like-minded: Mining User Interest Similarity in Online Social Networks

2016 · arXiv (Cornell University)

In this paper, we mine and learn to predict how similar a pair of users' interests towards videos are, based on demographic (age, gender and location) and social (friendship, interaction and group membership) information of …

ExClique: An Express Consensus Algorithm for High-Speed Transaction Process in Blockchains

2025 · arXiv (Cornell University)

Proof of Authority (PoA) plays a pivotal role in blockchains for reaching consensus. Clique, which selects consensus nodes to generate blocks with a pre-determined order, is the most popular implementation of PoA due to its …

Differentially Private Federated Low Rank Adaptation Beyond Fixed-Matrix

2025

Large language models (LLMs) typically require fine-tuning for domain-specific tasks, and LoRA offers a computationally efficient approach by training low-rank adapters. LoRA is also communication-efficient for federated LLMs when multiple users collaboratively fine-tune a global …