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Jiawei Chen

3 papers indexed

arxivcs.IRcs.AI2026-07-05

LBR: Towards Mitigating Length Bias in Large Language Models for Recommendation

Hongchen Li, Bohao Wang, Jingbang Chen, Weiqin Yang, Hang Pan, Bingde Hu, et al.

Large language models (LLMs) have recently emerged as powerful backbones for recommender systems by reformulating recommendation as a token-level generation task. Despite their promise, we identify a pervasive yet underexplored issue: $\textit{Length Bias}$. Because items are rep…

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crossrefApplied Sciences2025-09-08Cited by 1

Data Analysis of Two-Vehicle Accidents Based on Machine Learning

Dongguang Gao, Jiawei Chen, Tianyu Luo, Zijun Liu, Libo Cao, Zhongxiang Chen, et al.

Road traffic accidents are the eighth leading cause of human deaths. In order to study two-vehicle accidents, this paper extracted data from 493 two-vehicle accidents from the CIDAS database from 2011 to 2022, used machine learning methods to analyze the accident data, and obtain…

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