Xingtong Yao
Shenzhen,Guangdong
Summary
Good at summarizing cooperation experience, and can complete cooperation tasks as an assistant or leader. Able to use professional knowledge to provide appropriate steps to solve problems.
Overview
3
3
years of professional experience
Work History
Student Group Project-Deputy Team Leader
School Of Management And Economics-MKT4220
2023.10 - 2023.12
- Project: Analysis of Chinese Reviews Based on Machine Learning and Traditional Statistical Methods-A Case Study of Sentimental Analysis Based on Restaurant Reviews on Dianping APP
- Responsible for collecting 13,170 random reviews from 26 randomly chose restaurants.
- Responsible for data preprocessing, using Python to remove data null values, using Python library to replace all emoji with unique text codes, remove duplicate sentences and retain main text, troubleshoot and remove all non-Chinese reviews.
- Responsible for data visualization, presenting text information in various ways such as pie charts, box plots, violin charts with Python.
- Use visualization results to detect presence of biased reviews.
- Use TF-IDF (term frequency–inverse document frequency) to detect text similarity and exclude texts with high similarity (biased reviews).
- Summarize above work into a report of 3000+ words and present it as 20+ minutes lecture.
Project Student Assistant
School Of Data Science-DDA4210
2023.03 - 2023.05
- Project: combining reinforcement learning (RL) and human feedback (HF) in natural language processing (NLP) to improve accuracy of sentence generating.
- Work as a HF to rank sentiment level of 600+ sentences from training set, from positive to negative, corresponding to 5 to -5 scale.
- Record rank results and use Python to transform them into a data set that can be processed by the Reward Model.
- Visualize training curve of Reward Model.
- Result: A satisfactory training curve for Reward Model was obtained, proving that work of HF is effective.
School Library Student Assistant
CUHK-Shenzhen Library
2021.02 - 2021.04
- Organized circulation desk with over 300+ books and periodicals to be checked out.
- Organized returned books and materials and assisted with shelving.
- Conduct collection duplication checking and book list sorting based on information provided by leading librarian.
- Utilized computer databases to locate library materials.
Education
Bachelor of Science - Data Science And Big Data Technology
The Chinese University of Hong Kong, Shenzhen
Guangdong, CQ07.2024
Skills
- Word/Excel/PowerPoint
- Python
- Stata
- SQL
- Spark
- Team building
Languages
English
Professional Working
Timeline
Student Group Project-Deputy Team Leader
School Of Management And Economics-MKT4220
2023.10 - 2023.12
Project Student Assistant
School Of Data Science-DDA4210
2023.03 - 2023.05
School Library Student Assistant
CUHK-Shenzhen Library
2021.02 - 2021.04
Bachelor of Science - Data Science And Big Data Technology
The Chinese University of Hong Kong, Shenzhen
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