Publications

2026

1. Preprint

   

   TaSR-RAG: Taxonomy-guided Structured Reasoning for Retrieval-Augmented Generation

   Jiashuo Sun^† , Yixuan Xie^†, Jimeng Shi , Shaowen Wang , and Jiawei Han

   KDD’26 (Review)

   TL;DR arXiv Bib

   TL;DR: We propose TaSR-RAG, which uses a lightweight two-level taxonomy to guide step-wise triple-based evidence selection for multi-hop RAG, outperforming strong baselines by up to 14%.

   @unpublished{sun2025structured,
     title = {TaSR-RAG: Taxonomy-guided Structured Reasoning for Retrieval-Augmented Generation},
     author = {Sun, Jiashuo and Xie, Yixuan and Shi, Jimeng and Wang, Shaowen and Han, Jiawei},
     year = {2026},
     note = {KDD'26 (Review)},
     tldr = {We propose TaSR-RAG, which uses a lightweight two-level taxonomy to guide step-wise triple-based evidence selection for multi-hop RAG, outperforming strong baselines by up to 14%.}
   }

2025

1. Exploratory

   Progressive Structure Extraction: From Explicit to Implicit

   Xueqiang Xu^† , Yixuan Xie^†, Runchu Tian , and Jiawei Han

   Early-stage exploratory work; not currently under active development.
2. Collaboration

   Efficient Reasoning, Factual Certainty: A Dynamic Interaction between Generalist and Specialist Models for Medical Reasoning

   Zequn Zhang , Yixuan Xie, Bowen Zhao , Jingyuan Feng , Junyu Liu , Wenlong Hou , Xin Jin , Zhibo Chen , Qian Niu , and Wenjun Zeng

   Collaborative project; I contributed to model training.