Lei Chen

AI for Finance Group

Publications

15 publications · Most recent first

  1. Skyline Retrieval meets Set-Cover Chunk Merging: A Cost-Effective RAG-Sketch for Long-Context LLM QAXinyi Zhu, Haoyang Li, Yongqi Zhang, Lei ChenSIGMOD, 2026.
  2. Methods for Acquiring and Incorporating Knowledge into Stock Price Prediction: A SurveyLiping Wang, Jiawei Li, Lifan Zhao, Zhizhuo Kou, Xiaohan Wang, Xinyi Zhu, Hao Wang, Yanyan Shen, Lei ChenACM Computing Surveys, 2026.
  3. Beyond Single-View Indexing: Structure-Aware Multi-View Retrieval for Knowledge-Based VQAHao Wang, Xujia Li, Lei ChenICML, 2026.
  4. STEPS-MATA: a temporal knowledge guided adaptive framework for LLM-based stock movement classificationHao Wang, Holam Yu, Gen Zhang, Xujia Li, Lei ChenWISE, 2026.
  5. OpenMEL: Unsupervised Multimodal Entity Linking Using Noise-Free Expanded Queries and Global CoherenceXinyi Zhu, Yongqi Zhang, Lei ChenVLDB, 2025.
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  1. N-ForGOT: Towards Not-forgetting and Generalization of Open Temporal Graph LearningLiping Wang, Xujia Li, Jingshu Peng, Yue Wang, Chen Zhang, Yan Zhou, Lei ChenICLR, 2025.
  2. Automate Strategy Finding with LLM in Quant InvestmentZhizhuo Kou, Holam Yu, Junyu Luo, Jingshu Peng, Xujia Li, Chengzhong Liu, Juntao Dai, Lei Chen, Sirui Han, Yike GuoFindings of EMNLP, 2025.
  3. Triple-d: Denoising Distant Supervision for High-quality Data CreationXinyi Zhu, Yongqi Zhang, Lei Chen, Kai ChenICDE, 2024.
  4. Cost-Aware Outdated Facts Correction in the Knowledge BasesHao Xin, Lei Chen, Yanyan ShenDASFAA, 2024.
  5. PKBC: A Product-Specific Knowledge base Taxonomy FrameworkHao Xin, Lei Chen, Yanyan ShenDASFAA, 2024.
  6. HENCE-X: Toward Heterogeneity-agnostic Multi-level Explainability for Deep Graph NetworksGe Lv, Chen Jason Zhang, Lei ChenVLDB, 2023.
  7. On Data-Aware Global Explainability of Graph Neural NetworksGe Lv, Lei ChenVLDB, 2023.
  8. HIT: An Effective Approach to Build a Dynamic Financial Knowledge BaseXinyi Zhu, Hao Xin, Yanyan Shen, Lei ChenDASFAA, 2023.
  9. T-FinKB: A Platform of Temporal Financial Knowledge Base ConstructionXinyi Zhu, Liping Wang, Hao Xin, Xiaohan Wang, Zhifeng Jia, Jiyao Wang, Chunming Ma, Yuxiang ZengICDE, 2023.
  10. TE-DyGE: Temporal Evolution-Enhanced Dynamic Graph Embedding NetworkLiping Wang, Yanyan Shen, Lei ChenDASFAA, 2023.