Research

Research Interests

• AI for Finance
• Retrieval-Augmented Generation
• Knowledge Graph Construction and Reasoning

Education

• Ph.D in Computer Science, Beijing University of Posts and Telecommunications, 2018 – 2023
• B.S. in Telecommunications Engineering, Xidian University, 2014 – 2018

Research Experience

• Visiting Research Fellow, September 2021 – March 2023
  • Singapore University of Technology and Design, advised by Professor Wei Lu.

Publications

Multiview Clustering by Joint Latent Representation and Similarity Learning

Hypergraph Convolutional Network for Multi-Hop Knowledge Base Question Answering

HGMAN: Multi-Hop and Multi-Answer Question Answering Based on Heterogeneous Knowledge Graph

DVKCM: Knowledge-guided Conversation Generation with Dynamic Vocabulary

Two-Phase Hypergraph Based Reasoning with Dynamic Relations for Multi-Hop KBQA

Open Domain Question Answering based on Text Enhanced Knowledge Graph with Hyperedge Infusion

Modelling Long-distance Node Relations for KBQA with Global Dynamic Graph

Integrating Subgraph-Aware Relation and Direction Reasoning for Question Answering

Learning Discriminative and Unbiased Representations for Few-Shot Relation Extraction

Exploring Task Difficulty for Few-Shot Relation Extraction

Generative Prompt Tuning for Relation Classification

Towards Hard Few-Shot Relation Classification

Making Pre-trained Language Models Better Continual Few-Shot Relation Extractors

CM-TTS: Enhancing Real Time Text-to-Speech Synthesis Efficiency through Weighted Samplers and Consistency Models

Explain-Analyze-Generate: A Sequential Multi-Agent Collaboration Method for Complex Reasoning

VideoQA-TA: Temporal-Aware Multi-Modal Video Question Answering

Working Papers

• Hypergraph Modeling of Supply Chains: Unveiling the Impact of High-Order and Temporal Dynamics on Credit Risk Prediction
  Han, Jiale; Yang, Yi; Fan, Yangyang; Zhang, Zhongju
  Under Review

Academic Services

• Conference Program Committee:

  ICLR 2025, ACL ARR 2025, ICME 2025, COLING 2025, ACL ARR 2024, COLING 2024, ACL ARR 2023, NLPCC 2023, EMNLP 2022, COLING 2022, NLPCC 2022, ACL ARR 2021, NLPCC 2021.

• Journal Reviewer:

  TKDD, TNNLS, TALLIP, TJSC, Artificial Intelligence, J. Intell. Fuzzy Syst., J. Supercomputing, Multimedia Systems

Skills

• Language
  • Mandarin (native language)
  • English (working proficiency)
• Programming
  • Python
  • Java / MATLAB / C

Awards

• Outstanding Paper, the 31st International Conference on Computational Linguistics, 2025
• Outstanding Graduate Award of BUPT, 2023