Ke Ji

A Bagging-based ensemble method for recommendations under uncertain rating data

2018

Matrix factorization (MF) is one of the most-used techniques to build recommender systems. However, in practical use, the existence of noise in the training set brings some uncertainty, degrading the performance of MF approaches. In …

CoD, Towards an Interpretable Medical Agent using Chain of Diagnosis

2025

The field of AI healthcare has undergone a significant transformation with the advent of large language models (LLMs), yet the challenge of interpretability in these models remain largely unaddressed.This study introduces Chain-of-Diagnosis (CoD) to enhance …