Publications | Yixi Zhou

* Equal contribution† Corresponding author

2026

Event-Type Propagation Graphs: A Lag-Aware Layer for Predictive Financial Analysis

Yuxuan Li^*, Bohan Zhang^*, Guo Yu, Ye Gao, Haipeng Zhang^†, Yixi Zhou

ICDM 2026: November 12–15, 2026. Accepted to the Applied Track.

@inproceedings{li-etal-2026-event-type,
  title = {Event-Type Propagation Graphs: A Lag-Aware Layer for Predictive Financial Analysis},
  author = {Li, Yuxuan and Zhang, Bohan and Yu, Guo and Gao, Ye and Zhang, Haipeng and Zhou, Yixi},
  booktitle = {Proceedings of the 2026 IEEE International Conference on Data Mining (ICDM)},
  month = nov,
  year = {2026},
  address = {Shenyang, China},
  publisher = {IEEE},
  note = {ICDM 2026: November 12--15, 2026. Accepted to the Applied Track.}}

PRISM: Prompt-Refined In-Context System Modeling for Financial Retrieval

Chun Chet Ng^*, Jia Yu Lim^*, Zhen Hao Chu, Yixi Zhou, Low Wei Zeng

EMNLP 2026: October 24–29, 2026. Accepted to the Industry Track.

Paper Project Code Cite

@inproceedings{ng-etal-2026-prism,
  title = {{PRISM}: Prompt-Refined In-Context System Modeling for Financial Retrieval},
  author = {Ng, Chun Chet and Lim, Jia Yu and Chu, Zhen Hao and Zhou, Yixi and Zeng, Low Wei},
  booktitle = {Proceedings of the 2026 Conference on Empirical Methods in Natural Language Processing: Industry Track},
  month = oct,
  year = {2026},
  address = {Budapest, Hungary},
  note = {EMNLP 2026: October 24--29, 2026. Accepted to the Industry Track.},
  url = {https://aclanthology.org/2026.emnlp-industry.99/},
  editor = {Atanasova, Pepa and Haffari, Gholamreza and Wang, Minghan},
  publisher = {Association for Computational Linguistics},
  pages = {1674--1737},
  isbn = {979-8-89176-460-6}}

TimeClaimBench: A Claim-Level Benchmark for Grounded LLM Explanations of Time Series

Sijia Peng, Fan Zhang, Yixi Zhou, Changlun Li, Yun Xiong, Yangyong Zhu, Xi Chen, Yanwei Yu, Nan Tang

EMNLP 2026: October 24–29, 2026. Accepted to Findings.

Paper Cite

@inproceedings{peng-etal-2026-timeclaimbench,
  title = {{TimeClaimBench}: A Claim-Level Benchmark for Grounded {LLM} Explanations of Time Series},
  author = {Peng, Sijia and Zhang, Fan and Zhou, Yixi and Li, Changlun and Xiong, Yun and Zhu, Yangyong and Chen, Xi and Yu, Yanwei and Tang, Nan},
  booktitle = {Findings of the Association for Computational Linguistics: EMNLP 2026},
  month = oct,
  year = {2026},
  address = {Budapest, Hungary},
  note = {EMNLP 2026: October 24--29, 2026. Accepted to Findings.},
  url = {https://aclanthology.org/2026.findings-emnlp.1042/},
  editor = {Lee, Hung-Yi and Dev, Sunipa and Li, Jessy and Elliott, Desmond},
  publisher = {Association for Computational Linguistics},
  pages = {22071--22094},
  isbn = {979-8-89176-462-0}}

FinReporting: An Agentic Workflow for Localized Reporting of Cross-Jurisdiction Financial Disclosure

Fan Zhang, Mingzi Song, Rania Elbadry, Yankai Chen^†, Shaobo Wang, Yixi Zhou, Xunwen Zheng, Yueru He, Yuyang Dai, Georgi Nenkov Georgiev, Ayesha Gull, Muhammad Usman Safder, Fan Wu, Liyuan Meng, Fengxian Ji, Junning Zhao, Xueqing Peng, Jimin Huang, YU Chen, Xue Liu, Preslav Nakov, Zhuohan Xie

ACL 2026: July 2–7, 2026. Accepted to the Demo Track.

Paper Hugging Face Cite

@inproceedings{zhang-etal-2026-finreporting,
  title = {{F}in{R}eporting: An Agentic Workflow for Localized Reporting of Cross-Jurisdiction Financial Disclosure},
  author = {Zhang, Fan and Song, Mingzi and Elbadry, Rania and Chen, Yankai and Wang, Shaobo and Zhou, Yixi and Zheng, Xunwen and He, Yueru and Dai, Yuyang and Georgiev, Georgi Nenkov and Gull, Ayesha and Safder, Muhammad Usman and Wu, Fan and Meng, Liyuan and Ji, Fengxian and Zhao, Junning and Peng, Xueqing and Huang, Jimin and Chen, YU and Liu, Xue and Nakov, Preslav and Xie, Zhuohan},
  editor = {Durrett, Greg and Jian, Ping},
  booktitle = {Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 3: System Demonstrations)},
  month = jul,
  year = {2026},
  address = {San Diego, California, United States},
  publisher = {Association for Computational Linguistics},
  url = {https://aclanthology.org/2026.acl-demo.71/},
  pages = {728--735},
  isbn = {979-8-89176-392-0},
  note = {ACL 2026: July 2--7, 2026. Accepted to the Demo Track.}}

SQLStructEval: Structural Evaluation of LLM Text-to-SQL Generation

Yixi Zhou^*, Fan Zhang^*, Zhiqiao Guo^*, Yu Chen^†, Haipeng Zhang^†, Preslav Nakov, Zhuohan Xie

AACL-IJCNLP 2026: November 6–10, 2026. Accepted to Findings.

Paper Project Code Cite

@inproceedings{zhou2026sqlstructeval,
  title = {{SQLStructEval}: Structural Evaluation of {LLM} Text-to-{SQL} Generation},
  author = {Zhou, Yixi and Zhang, Fan and Guo, Zhiqiao and Chen, Yu and Zhang, Haipeng and Nakov, Preslav and Xie, Zhuohan},
  month = nov,
  year = {2026},
  booktitle = {Findings of the Association for Computational Linguistics: AACL-IJCNLP 2026},
  address = {Hengqin, China},
  note = {AACL-IJCNLP 2026: November 6--10, 2026. Accepted to Findings.},
  eprint = {2604.06736},
  archiveprefix = {arXiv},
  primaryclass = {cs.CL},
  url = {https://arxiv.org/abs/2604.06736}}

FinCARDS: Card-Based Analyst Reranking for Financial Document Question Answering

Yixi Zhou^*, Fan Zhang^*, YU Chen^†, Haipeng Zhang^†, Preslav Nakov, Zhuohan Xie

ACL 2026: July 2–7, 2026. Accepted to Findings.

Paper Project Code Cite

@inproceedings{zhou-etal-2026-fincards,
  title = {{F}in{CARDS}: Card-Based Analyst Reranking for Financial Document Question Answering},
  author = {Zhou, Yixi and Zhang, Fan and Chen, YU and Zhang, Haipeng and Nakov, Preslav and Xie, Zhuohan},
  editor = {Liakata, Maria and Moreira, Viviane P. and Zhang, Jiajun and Jurgens, David},
  booktitle = {Findings of the {A}ssociation for {C}omputational {L}inguistics: {ACL} 2026},
  month = jul,
  year = {2026},
  address = {San Diego, California, United States},
  publisher = {Association for Computational Linguistics},
  url = {https://aclanthology.org/2026.findings-acl.1244/},
  pages = {24836--24852},
  isbn = {979-8-89176-395-1},
  note = {ACL 2026: July 2--7, 2026. Accepted to Findings.}}

Fine-grained Classification of A Million Life Trajectories from Wikipedia

Zhaoyang Liu, Xiaocong Du, Yixi Zhou, Ye Shi, Haipeng Zhang

ICSC 2026: September 2–4, 2026. Accepted as an oral presentation.

Paper Conference Cite

@inproceedings{liu2026finegrained,
  title = {Fine-grained Classification of {A} Million Life Trajectories from Wikipedia},
  author = {Liu, Zhaoyang and Du, Xiaocong and Zhou, Yixi and Shi, Ye and Zhang, Haipeng},
  year = {2026},
  month = sep,
  booktitle = {Proceedings of the International Conference on Social Computing (ICSC 2026)},
  location = {Oxford, UK},
  note = {ICSC 2026: September 2--4, 2026. Accepted as an oral presentation.},
  eprint = {2602.04503},
  archiveprefix = {arXiv},
  primaryclass = {cs.CL},
  url = {https://arxiv.org/abs/2602.04503}}

GraphEcho: Structural Redundancy and Evidence Provenance in LLM Graph Agents

Sikun Wang^*, Yixi Zhou^*, Lei Fan, Fan Zhang^†

arXiv: September 15, 2026.

Paper Cite

@article{wang2026graphecho,
  title = {{GraphEcho}: Structural Redundancy and Evidence Provenance in {LLM} Graph Agents},
  author = {Wang, Sikun and Zhou, Yixi and Fan, Lei and Zhang, Fan},
  journal = {arXiv preprint},
  month = sep,
  year = {2026},
  note = {arXiv: September 15, 2026.},
  eprint = {2609.17695},
  archiveprefix = {arXiv},
  primaryclass = {cs.AI},
  url = {https://arxiv.org/abs/2609.17695}}

EviGraph: Proof-Carrying Selective Recommendation over Temporal Public-Service Knowledge Graphs

Yixi Zhou^*, Sikun Wang^*, Lei Fan, Fan Zhang^†

arXiv: September 21, 2026.

Paper Cite

@article{zhou2026evigraph,
  title = {{EviGraph}: Proof-Carrying Selective Recommendation over Temporal Public-Service Knowledge Graphs},
  author = {Zhou, Yixi and Wang, Sikun and Fan, Lei and Zhang, Fan},
  journal = {arXiv preprint},
  month = sep,
  year = {2026},
  note = {arXiv: September 21, 2026.},
  eprint = {2610.00212},
  archiveprefix = {arXiv},
  primaryclass = {cs.AI},
  url = {https://arxiv.org/abs/2610.00212}}

Financial Evidence Crowding: Diagnosing and Mitigating Constraint-Induced Displacement in Retrieval-Augmented Generation

Yixi Zhou^*, Jiayi Yin^*, Fan Zhang, Xiangyi He, Haipeng Zhang^†

arXiv: August 6, 2026.

Paper Cite

@article{zhou2026findecrowd,
  title = {Financial Evidence Crowding: Diagnosing and Mitigating Constraint-Induced Displacement in Retrieval-Augmented Generation},
  author = {Zhou, Yixi and Yin, Jiayi and Zhang, Fan and He, Xiangyi and Zhang, Haipeng},
  journal = {arXiv preprint},
  month = aug,
  year = {2026},
  note = {arXiv: August 6, 2026.},
  eprint = {2609.35782},
  archiveprefix = {arXiv},
  primaryclass = {cs.IR},
  url = {https://arxiv.org/abs/2609.35782}}

Same Scores, Different Decisions: Evaluating JEV and Language Models for Legal Document Understanding

Fan Zhang, Yankai Chen, Zhuohan Xie, Yixi Zhou, Sijia Peng, Lei Fan, Xinhua Ji, Cunyuan Zheng, Huangyong Shan, Philip S. Yu, Xue Liu, Yu Chen, Preslav Nakov, Songwei He

arXiv: September 23, 2026.

Paper Project Code Cite

@article{zhang2026samescores,
  title = {Same Scores, Different Decisions: Evaluating {JEV} and Language Models for Legal Document Understanding},
  author = {Zhang, Fan and Chen, Yankai and Xie, Zhuohan and Zhou, Yixi and Peng, Sijia and Fan, Lei and Ji, Xinhua and Zheng, Cunyuan and Shan, Huangyong and Yu, Philip S. and Liu, Xue and Chen, Yu and Nakov, Preslav and He, Songwei},
  journal = {arXiv preprint},
  month = sep,
  year = {2026},
  note = {arXiv: September 23, 2026.},
  eprint = {2609.27678},
  archiveprefix = {arXiv},
  primaryclass = {cs.CL},
  url = {https://arxiv.org/abs/2609.27678}}

A Historical Corpus Is Not a Historical System: Auditing Hindsight Leakage in Stateful Data Discovery

Yixi Zhou^*, Fan Zhang^*, Sikun Wang, Yingfan Xu, Haipeng Zhang^†

arXiv: September 11, 2026.

Paper Cite

@article{zhou2026historical,
  title = {A Historical Corpus Is Not a Historical System: Auditing Hindsight Leakage in Stateful Data Discovery},
  author = {Zhou, Yixi and Zhang, Fan and Wang, Sikun and Xu, Yingfan and Zhang, Haipeng},
  journal = {arXiv preprint},
  month = sep,
  year = {2026},
  note = {arXiv: September 11, 2026.},
  eprint = {2609.12766},
  archiveprefix = {arXiv},
  primaryclass = {cs.IR},
  url = {https://arxiv.org/abs/2609.12766}}

Learning the Lake: Reliable Experience for Adaptive Data Product Discovery

Yixi Zhou^*, Fan Zhang^*, Sikun Wang, Yingfan Xu, Haipeng Zhang^†

arXiv: September 11, 2026.

Paper Cite

@article{zhou2026learninglake,
  title = {Learning the Lake: Reliable Experience for Adaptive Data Product Discovery},
  author = {Zhou, Yixi and Zhang, Fan and Wang, Sikun and Xu, Yingfan and Zhang, Haipeng},
  journal = {arXiv preprint},
  month = sep,
  year = {2026},
  note = {arXiv: September 11, 2026.},
  eprint = {2609.12754},
  archiveprefix = {arXiv},
  primaryclass = {cs.IR},
  url = {https://arxiv.org/abs/2609.12754}}

2025

Human-Aligned Multi-Agent Reranking for Financial Document QA in Zero-Shot Settings

Yixi Zhou, Jiayi Yin, Zhongyang Liu, Ruoxin Huang, Haipeng Zhang

ICAIF 2025: November 15–18, 2025. Accepted to the AI4F Workshop.

Paper
Revisiting Nighttime Light Features in Inclusive Credit Scoring: A Fairness Analysis for Emerging Markets

Jiayi Yin, Yixi Zhou

ICAIF 2025: November 15–18, 2025. Accepted to the FinREM Workshop.

Paper