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  • Kookmin University
  • Seoul, Republic of Korea

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baesunny/README.md

SeongYun Bae

☀️ Sunny's DataLab

📍 Seoul, Korea · 📧 sunabc1023@kookmin.ac.kr · 📝 Tistory · 💻 GitHub


👋 Introduction

I am a B.S. candidate in AI, Big Data & Management at Kookmin University, with a strong interest in Data Mining, Machine Learning, Statistical Learning, Time Series Analysis, Industrial Analytics, and Text Mining. Through academic research and industry projects, I have gained experience analyzing complex real-world data across manufacturing, logistics, and policy domains — with a focus on developing data-driven solutions for industrial and business analytics problems.


🎓 Education

Period Institution Details
Mar 2022 – Present Kookmin University · Seoul AI, Big Data & Management (Major) · Data Science Convergence (Secondary Major)
Mar 2019 – Feb 2022 Daejeon Foreign Language High School · Daejeon Major in Japanese
Activity Period
WAVERS Student Ambassador, College of Business Administration Nov 2025 – Present
Director of Planning, Student Council Mar 2022 – Dec 2023
D&A Data Analytics Society — Basic Session Jun 2023
D&A Data Analytics Society — ML Session Nov 2023

💼 Experience

Organization Role Period Location Key Work
BITAmin President & Executive Member Jan 2024 – Feb 2025 Seoul Led Time Series, Recommendation System, Computer Vision, and NLP projects; managed club operations across multiple AI domains
J-System Co., Ltd. Intern, System IT Team Aug 2024 – Dec 2024 Anyang PdM & quality optimization with real-time IoT sensor data; PostgreSQL; FFT-based denoising & real-time anomaly detection
GPANS SmartLo Co., Ltd. Intern, Data Insight Team Feb 2024 – Apr 2024 Seoul Geofencing-based logistics analysis; vehicle distribution & traffic flow patterns; MongoDB & PostgreSQL; QA for Expresso app
Gallup Korea Intern Jan 2023 – Feb 2023 Seoul Survey data preprocessing & aggregation for Statistical Analysis
UDMTEK Co., Ltd. Intern Jun 2022 – Aug 2022 Suwon Secondary battery manufacturing data; AI equipment diagnostics proposal (K-water project)

📄 Publications

# Title Status Repo
[1] Bae, S., Lee, J. The Impact of Non-Tariff Barriers on Korea's Automobile Exports: Focusing on China's THAAD Retaliation and the U.S. Inflation Reduction Act Manuscript in preparation NonTariffBarriers_paper
[2] Bae, J., Choi, S., & Bae, S. (2025). An Efficient Method for Imputing Missing Values in Incomplete Process Data from High-Cost Data Acquisition Environments. JKSISE, 48(4), 129–141. KCI (2025) MissingDataImputation_paper

🚀 Projects

🔗 GitHub links are attached only where a repository exists.

Project Type · Period Keywords Highlights Repo
AI-Based Personalized Credit Card Recommendation Course · Generative AI and Business
Mar 2026 – Jun 2026
LLM, RAG, Recommendation System Multi-agent LLM pipeline with RAG; transaction-based card recommendations; deterministic Python validation for reliability Link
Marriage Information Management Database Course · Introduction to Databases
Mar 2026 – Jun 2026
ERD, SQL, Relational Database Conceptual & logical schema design; Microsoft Access implementation; customer, consultation & matching workflows Link
AI-Generated vs. Human-Written Korean Texts Course · Latest Big Data Technologies
Mar 2026 – Apr 2026
NLP, FastText, KoNLPy, UMAP 100K-sentence balanced corpus across 5 domains; morphological & embedding analysis; UMAP/t-SNE semantic visualization Link
Non-Tariff Barriers & Auto Exports Course · Trade and Big Data
Sep 2025 – Dec 2025
ITSA, Non-Tariff Barriers THAAD & IRA impact on auto exports; Extended ITSA with macro controls (KOSPI, base rate, oil, FX) Link
Missing Data Imputation Industry · CSM Co., Ltd.
Jul 2025 – Dec 2025
MICE, MissForest, 1D-CNN Cement process data imputation; MissForest most stable under nonlinearity; NRMSE & PFC evaluation Link
Drug Safety Assessment (Pregnancy) Course · Deep Learning
Apr 2025 – Jun 2025
CNN, OCR, BioBERT Medicine image + OCR; BioBERT integration; ChatGPT decision-support with prompt engineering
Beer Brand Review Analysis Course · Text Data Analysis
Apr 2025 – Jun 2025
NLP, KoSBERT, KoNLPy Blog review preprocessing; KoSBERT-based semantic filtering; sentiment & classification for brand insights Link
Electric Vehicle Price Prediction BITAmin
Jan 2025 – Feb 2025
XGBoost, Random Forest EV price prediction; VIF feature selection; ensemble learning
Retail Demand Forecasting BITAmin
Sep 2024 – Dec 2024
Prophet, LSTM DLC sales forecasting; seasonality & trend modeling Link
IoT Equipment Anomaly Detection J-System Co., Ltd.
Aug 2024 – Dec 2024
PostgreSQL, PdM, FFT, Six Sigma FFT signal processing; real-time anomaly detection with Six Sigma thresholds Link
Tourism Recommendation System BITAmin
Jun 2024 – Aug 2024
BERT, Word2Vec, TF-IDF, Streamlit Review keyword extraction; sentiment analysis; personalized recommendation web app Link
Voice Guidance for Visually Impaired BITAmin
Mar 2024 – May 2024
YOLOv8, MediaPipe, TTS Real-time object detection & voice guidance; IoU tracking & face direction estimation Link
Clothing Recommendation (TPO) BITAmin
Jan 2024 – Feb 2024
SegFormer, Semantic Segmentation, Cosine Similarity Transformer segmentation; style-similarity outfit recommendation via Streamlit Link
Survey Response Prediction Course · Machine Learning
Dec 2023
Random Forest, LightGBM, XGBoost, CatBoost Panel response classification; feature engineering & ensemble modeling Link
COVID-19 · Simpson's Paradox High School
Apr 2021 – Jul 2021
Statistical Analysis Korea–Japan COVID comparison; Simpson's Paradox with testing rates

💻 Tech Stack

Category Tools
Programming Python Advanced · R Intermediate · SQL Basic · Java Basic
ML / DL PyTorch TensorFlow scikit-learn XGBoost OpenAI
Data & Tools PostgreSQL MySQL MongoDB Docker Jupyter Streamlit
Languages 🇰🇷 Korean (Native) · 🇺🇸 English (Professional) · 🇯🇵 Japanese (Intermediate)

📬 Connect

Gmail Tistory Blog Instagram

Pinned Loading

  1. NonTariffBarriers_paper NonTariffBarriers_paper Public

    The Impact of Non-Tariff Barriers on Korea’s Automobile Exports: Focusing on China’s THAAD Retaliation and the U.S. Inflation Reduction Act

    Jupyter Notebook

  2. MissingDataImputation_paper MissingDataImputation_paper Public

    AI based Data Augmentation and CTQ Prediction | An Efficient Method for Imputing Missing Values in Incomplete Process Data from High- Cost Data Acquisition Environments

    Jupyter Notebook

  3. CardRecommendationSystem CardRecommendationSystem Public

    1년치 카드 이용 내역을 분석해 소비 패턴에 맞는 신용카드를 추천하고, RAG + LLM으로 예상 절감액을 시뮬레이션하는 AI 추천 시스템

    Python

  4. J-system J-system Public

    IoT 센서를 이용한 설비 예지보전 및 품질 안정화

    Jupyter Notebook

  5. retailDemandForecasting retailDemandForecasting Public

    유통물류센터 판매 데이터를 활용한 제품군별 수요 예측 모델 구축

    Jupyter Notebook