Yixuan Tang

Yixuan Tang

MPhil Student in Information Systems
Hong Kong University of Science and Technology (HKUST)

I am a first-year MPhil student in Information Systems at The Hong Kong University of Science and Technology, with a research focus on Natural Language Processing (NLP).

Advisor: Prof. Yi Yang

About My Research

My research focuses on advancing natural language processing technologies and their applications in information systems. I'm particularly interested in:

  • Retrieval-augmented generation (RAG) for knowledge-intensive tasks
  • Domain adaptation of large language models
  • Financial NLP applications
  • LLM Post-training
  • Efficient model architectures

Aim to bridge the gap between cutting-edge NLP research and practical applications in business and finance contexts.

Selected Publications

COLM 2024
MultiHop-RAG

MultiHop-RAG: Benchmarking Retrieval-Augmented Generation for Multi-Hop Queries

Yixuan Tang, Yi Yang
Conference on Language Modeling (COLM) 2024

Introduces a comprehensive benchmark for evaluating retrieval-augmented generation systems on complex multi-hop queries, providing standardized datasets and metrics.

Know the Unknown: An Uncertainty-Sensitive Method for LLM Instruction Tuning

Jiaqi Li, Yixuan Tang, Yi Yang
Annual Meeting of the Association for Computational Linguistics (ACL) 2025 Findings

Adversarial Mixup Unlearning

Zhuoyi PENG, Yixuan Tang, Yi Yang
International Conference on Learning Representations (ICLR) 2025

Exploring the Relationship between In-Context Learning and Instruction Tuning

Hanyu Duan, Yixuan Tang, Yi Yang, Ahmed Abbasi, Kar Yan Tam
Empirical Methods in Natural Language Processing (EMNLP) 2024 Findings

FinEntity: Entity-level Sentiment Classification for Financial Texts

Yixuan Tang, Yi Yang
Empirical Methods in Natural Language Processing (EMNLP) 2023

Preprints & Projects

Project
InvestLM

InvestLM: A Large Language Model for Investment using Financial Domain Instruction Tuning

Yi Yang, Yixuan Tang, Kar Yan Tam

Domain-specific LLM trained on carefully curated financial datasets for investment analysis tasks, demonstrating strong performance on financial NLP benchmarks.

Education

2024.09 - Present
MPhil in Information Systems
Hong Kong University of Science and Technology (HKUST)
2021.09 - 2022.11
Master in Big Data Technology
Hong Kong University of Science and Technology (HKUST)
2017.09 - 2021.06
Bachelor in Computer Science and Technology
Chongqing University