Summary

Cambodian Master's student in Data Science at Chonnam National University with expertise in NLP, deep learning, and LLMs. Focused on classification models, topic modeling, and empathic computing.

Education

• Master’s in Data Science
  Chonnam National University
• Korean Language Program

  2023-07
  Chonnam National University
• Computer Science and Engineering

  2020
  Royal University of Phnom Penh
• Software Development Expert (iOS and Web)

  2020-02
  Korea Software HRD Center
• English Diploma

  2018
  Paññāsāstra University of Cambodia

Work Experience

• Research Member

  2023-08 -
  Advanced research in Natural Language Processing (NLP), specializing in classification, topic modeling, model interpretability, and transformer architectures.
• IT Instructor

  2020-01 - 2022-07
  Taught web and iOS mobile app development, including advanced courses in React Native, UI/UX, Linux, and Docker.

Skills

Publications

• MIRoBERTa: Mental Illness Text Classification With Transfer Learning on Subreddits

  2024
  IEEE Access

  This paper introduces MIRoBERTa, a RoBERTa-based model adapted for mental health domain via transfer learning on Reddit data. Achieves state-of-the-art performance in multiclass classification.

  View Publication
• Personalized E-Learning Course Recommendations: A Chatbot Approach Using LangChain

  2024
  2024 International Conference on Digital Contents

  A LangChain-powered chatbot for personalized e-learning course recommendations using private datasets and RAG architecture.

  View Publication

Presentations

• Personalized E-Learning Course Recommendations: A Chatbot Approach Using LangChain

  2024
  2024 International Conference on Digital Contents

  South Korea

  Presented an AI-powered chatbot system using LangChain and RAG to recommend personalized e-learning courses through a Streamlit interface.

Teaching

• Web & iOS App Development

  2020
  Korea Software HRD Center

  Role: IT Instructor

  Delivered basic and advanced courses in web design and mobile application development with tools like React Native and Docker.

Portfolio

• Mental Health Text Classification

  2024
  Nlp project

  Used traditional ML, deep learning, and transformers (MIRoBERTa, MIBERT) to classify Reddit mental health posts.

  View Project
• Academic Ally: Course Recommendation Chatbot

  2024
  Chatbot

  RAG-based chatbot built using LangChain to deliver personalized course recommendations via Streamlit.

  View Project
• Topic Refinement with BERTopic and Mistral

  2025
  Topic modeling

  Used BERTopic with LLM integration to extract and interpret user perception from smartphone forum discussions.

  View Project

Languages

• Khmer

  Native
• English

  Professional
• Korean

  Conversational (TOPIK Level 3)

Interests

• Empathic Computing
• Multimodal NLP
• Educational Technology

References

• Prof. Hoi-Jeong Lim

  Professor, Chonnam National University — hjlim@jnu.ac.kr / +82 62-530-5790
• Mr. Chen Phirum

  Deputy Director, Korea Software HRD Center — phirum.gm@gmail.com / +855 12-998-919