3 papers
cs.AI2026
Mitigating Visual Hallucinations in Multimodal Systems through Retrieval-Augmented Reliability-Aware Inference
Pratheswaran Hariharan, Haiping Xu, Donghui Yan
Multimodal large language models (MLLMs) have demonstrated strong capabilities in vision-language understanding and natural-language response generation. However, these systems can…
stat.ME2026
Correcting Variable Importance Scored by Random Forests
Guancheng Zhou, Haiping Xu, Jason Liu +1
Variable importance produced by Random Forests (RF) is used widely in statistical data analysis, and has played an important role in a variety of tasks such as assisting model inte…
cs.LG2025
A Computational Approach to Improving Fairness in K-means Clustering
Guancheng Zhou, Haiping Xu, Hongkang Xu +2
The popular K-means clustering algorithm potentially suffers from a major weakness for further analysis or interpretation. Some cluster may have disproportionately more (or fewer)…