Profile

HaRyeom Jang

AI Engineer & Service Developer

Hi! I'm HaRyeom Jang!

Abilities & Experiences

About what I can do and what I have experienced

NLP & AI

Strongest Point

Core Technologies

  • Hugging Face
  • LangChain
  • PyTorch
  • Gensim
  • OKT

Architectures

Deep Learning Models

RNN, LSTM, Transformer, Mamba

Topic Modeling

LDA, g-DMR (Live Commerce Research)

Fine-Tuning

LoRA-based LLaMA2 (HormAS Research)

Network Science

Advantage

Graph Analysis

Understanding network structures through centrality, density, and influence analysis.

PageRank Algorithm
Graph Neural Networks
Citation Analysis
GraphSAGE

Research Experience

Health Recommendation SystemCitation Network AnalysisNode Influence Analysis

Machine Learning

Advantage

Core Understanding

Loss Functions
Optimizers
Backpropagation
Tree Algorithms

Algorithms & Techniques

  • XGBoost (Regression & Classification)
  • K-Means Clustering
  • Factor Analysis with Attention
  • D-Linear Algorithm
Competition Experience

Ministry of Trade, Industry and Energy Competition (1st place) - Power demand forecasting

Frontend Development

Advantage

Modern Technologies

Building responsive and interactive web applications with modern frameworks and libraries.

Tech Stack

React & Next.js

Personal homepage development

Data Visualization

D3.js for backend data visualization

Animation & UI

GSAP, Swiper for interactive experiences

Skills

  • HTML/SCSS/JavaScript

    Extensive experience

  • Responsive Design

    Mobile/Desktop optimization

Projects

Combining technical expertise with cosmic curiosity to build stellar experiences

HormAS - Hotel Review Management

HormAS - Hotel Review Management

AI-powered hotel review management system using LangChain and LoRA fine-tuning for automated response generation.

  • LangChain
  • LLaMA2
  • LoRA
  • Python
  • React
Risk Management System

Risk Management System

Article similarity-based risk management system for Samsung Engineering with real-time monitoring and analysis.

  • Python
  • NLP
  • Similarity Analysis
  • Django
  • PostgreSQL
Power Demand Forecasting

Power Demand Forecasting

D-Linear algorithm-based power demand forecasting system using meteorological data for cost-efficient prediction.

  • Python
  • D-Linear
  • Time Series
  • Machine Learning
  • FastAPI
FedKDA Research

FedKDA Research

Decentralized federated learning using knowledge distillation and aggregation in graph networks.

  • Python
  • PyTorch
  • Federated Learning
  • Graph Neural Networks

Research & Publications

AI and Machine Learning research with focus on NLP, network science, and practical applications

Featured Publications

Published
์ง€๋Šฅ์ •๋ณด์—ฐ๊ตฌ

๊ฑด๊ฐ•์ถ”์ฒœ์‹œ์Šคํ…œ (HRS) ์—ฐ๊ตฌ ๋™ํ–ฅ: ์ธ์šฉ๋„คํŠธ์›Œํฌ ๋ถ„์„๊ณผ GraphSAGE๋ฅผ ํ™œ์šฉํ•˜์—ฌ

์žฅํ•˜๋ ด, ์œ ์ง€์ˆ˜, ์–‘์„ฑ๋ณ‘ (2023)

Health Recommendation System research trends analyzed through citation network analysis and GraphSAGE. Published in Journal of Intelligence and Information Systems.

Published
์ง€๋Šฅ์ •๋ณด์—ฐ๊ตฌ

์žฌ์ƒ์—๋„ˆ์ง€ ๋ฐœ์ „๋Ÿ‰ ์˜ˆ์ธก์ œ๋„ ๊ธฐ๋ฐ˜ ์ง‘ํ•ฉ์ „๋ ฅ์ž์› ๊ตฌ์„ฑ๋ชจ๋ธ ๊ฐœ๋ฐœ

๊ฐ•์€๊ฒฝ, ์žฅํ•˜๋ ด, ์–‘์„ ์šฑ, ์–‘์„ฑ๋ณ‘ (2023)

Development of aggregated power resource composition model based on renewable energy generation forecasting system. Published in Journal of Intelligence and Information Systems.

Under Review
Journal of Hospitality Marketing & Management

Exploring consumer behavior in the travel experience sector through real-time live commerce chat

Kang, Jang, Yang (2024)

A text mining and machine learning approach to analyze consumer behavior in travel sector through live commerce chat data. Submitted to Journal of Hospitality Marketing & Management.

Under Review
IEEE Access

Leveraging stock discussion forum posts for stock price predictions

Yoo, Jang, Kang, Yang (2024)

A focus on the secondary battery sector using stock discussion forum data for price prediction. Submitted to IEEE Access.

Research
In Progress

HormAS: Hotel Review Management Assistant Service

์žฅํ•˜๋ ด, ์œค์ƒํ˜, ์–‘์„ฑ๋ณ‘ (2024)

Review Analysis and Response Using Generative AI with Design Science Methodology. Ongoing research on LLM-based hotel review management system.

Research
In Progress

FedKDA: Decentralized Federated Learning Methods

์žฅํ•˜๋ ด, ์–‘์„ฑ๋ณ‘ (2024)

Knowledge Distillation and Aggregation in Graph-based federated learning architecture for privacy-preserving machine learning.

Academic Conferences

Building Neural Networks for Astronomy

Quantum Computing for Space Exploration

The Mathematics of Wormholes

AI-Assisted Exoplanet Discovery

Awards & Recognition

Recognition for research excellence and innovative contributions

2023, 2024

Ministry of Trade, Industry and Energy Competition

Minister's Award (1st place)

Big Data Analysis Division - Power demand forecasting & Renewable energy

2024

Korean Management Information Society

Best Paper Awards

Spring Conference Best Paper (1st place) & Spring Integrated Conference Best Paper (1st place)

2023

Youngrim Won ERP Idea Competition

Grand Prize (1st place)

ERP idea competition for university students

2023

Kyung Hee University BDGSC

Best Paper Runner-up

Big Data Graduate Student Conference

2024

Korean Management Conference

Excellence Award

Convergence Academic Conference

2023

Management Information Related Conference

Excellence Award

Spring Integrated Academic Conference

Interested in My Work?

You can download my CV to learn more about my skills and experience.

My Curriculum Vitae

Click the button below to get a copy of my CV.