Jiaxin Xu许佳鑫

Jiaxin Xu’s chosen profile image

I’m a master’s student in Computer Technology at Harbin Institute of Technology, Shenzhen, advised by 我目前在哈尔滨工业大学(深圳)攻读计算机技术硕士学位,导师是Prof. Meishan Zhang张梅山教授.。

My research focuses on information retrieval for LLM agents, particularly efficient reranking, agent-oriented evaluation, and long-horizon memory retrieval.我的研究聚焦于面向大语言模型智能体的信息检索,尤其是高效重排序、面向智能体的评测,以及长程记忆检索。

Publications论文发表

LMEB: Long-horizon Memory Embedding Benchmark

Xinping Zhao, Xinshuo Hu, Jiaxin Xu, Danyu Tang, Xin Zhang, Mengjia Zhou, Yan Zhong, Yao Zhou, Zifei Shan, Meishan Zhang, Baotian Hu, Min Zhang

Preprint, 2026

A benchmark for long-horizon memory retrieval: 22 datasets and 193 retrieval tasks spanning episodic, dialogue, semantic, and procedural memory.

Education教育经历

Harbin Institute of Technology, Shenzhen哈尔滨工业大学(深圳)

Honors荣誉奖励