Yiyang Bai

Boston,MA

Work History

Research Assistance

China Central Bank Securities Information Technology Co ., Ltd x Tsinghua University AI Lab

06.2024 - 09.2024

Assisted in research on large language models (LLMs) in collaboration with Tsinghua University, focusing on Agent systems and Retrieval-Augmented Generation (RAG)
Conducted technical feasibility studies, experimenting with various frameworks and building prototypes (demos)
Analyzed and compared strengths and weaknesses of different frameworks to support technology adoption decisions
Worked on fine-tuning LLMs to improve their performance for specific tasks
Explored and implemented key technologies including LangChain, LlamaIndex, CrewAI, GraphRAG, and Agenly
Contributed to enhancing the usability and efficiency of LLM applications through hands-on development and evaluation

Education

Bachelor of science - Data Science

Northeastern University

Boston, MA

Skills

Python
Java
DrRacket
Langchain
LlamaIndex
Matplotlib

Seaborn
Agently
API Integration
Git
Crew AI
GraphRAG

Websites

https://github.com/Yiyang-Bai/Perosnal-project

Projects

LLM-Powered Investment Research Automation, Developed an automated system for generating investment reports using web scraping, MySQL, and LLMs (ChatGPT, Qwen-Turbo)., Enhanced data analysis with Chain of Thought (CoT) prompting for accurate financial insights., Built a seamless workflow with Agently to automate data collection, processing, and reporting. Breast Cancer Diagnosis System, Developed a machine learning pipeline using LSTM and XGBoost to classify tumors as benign or malignant., Integrated data preprocessing, feature selection, and hyperparameter tuning for optimized predictive performance., Applied Bayesian optimization to enhance XGBoost model accuracy in distinguishing cancer types.

Hobbies and Interests

Golf
Kickboxing
Classical Music
Trombone

Technicalknowledge

Python, Java, DrRacket, langchain, LlamaIndex, Matplotlib, Seaborn, Agently, API Integration, Git, Crew AI, GraphRAG

Timeline

Research Assistance

China Central Bank Securities Information Technology Co ., Ltd x Tsinghua University AI Lab

06.2024 - 09.2024

Bachelor of science - Data Science

Northeastern University

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