Chenghao Liu

Compositional Coding for Collaborative Filtering

2019

Efficiency is crucial to the online recommender systems, especially for the ones which needs to deal with tens of millions of users and items. Because representing users and items as binary vectors for Collaborative Filtering …

Development of Smart Operation and Maintenance Platform for Distributed Large-scale Battery Energy Storage Stations Based on Cloud Edge Collaboration

2024

With the continuous growth of the installed capacity of battery storage power stations and the expansion of single station scale, the operation and maintenance level has become the key to reducing costs, increasing efficiency, and …

AXIS: Explainable Time Series Anomaly Detection with Large Language Models

2025 · arXiv (Cornell University)

Time-series anomaly detection (TSAD) increasingly demands explanations that articulate not only if an anomaly occurred, but also what pattern it exhibits and why it is anomalous. Leveraging the impressive explanatory capabilities of Large Language Models …