Soomin Myung

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Portfolio

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GitHub

LLM-Assisted Purchasing Workflow Automation

End-to-end AI system that converts stock data and supplier history into purchasing risk analysis, internal purchase requests, and supplier-facing email drafts using retrieval-augmented multi-agent LLMs

Key stacks: Multi-agent LLMs · RAG · Vector Search · Workflow Automation · JavaScript · Prompt Engineering

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LLM-Assisted Purchasing Workflow Automation

End-to-end AI system that converts stock data and supplier history into purchasing risk analysis, internal purchase requests, and supplier-facing email drafts using retrieval-augmented multi-agent LLMs

Key stacks: Multi-agent LLMs · RAG · Vector Search · Workflow Automation · JavaScript · Prompt Engineering

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COGS Anomaly Detection & Corrected Profitability Analysis (SAP B1)

Detecting zero-COGS anomalies in SAP B1 and restoring reliable profitability through cost reconstruction.

Key stacks: SAP Business One 9.3 · T-SQL · Rule-based Anomaly Detection · Landed Cost Reconstruction · ERP Profitability Analysis · Data Quality Engineering

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COGS Anomaly Detection & Corrected Profitability Analysis (SAP B1)

Detecting zero-COGS anomalies in SAP B1 and restoring reliable profitability through cost reconstruction.

Key stacks: SAP Business One 9.3 · T-SQL · Rule-based Anomaly Detection · Landed Cost Reconstruction · ERP Profitability Analysis · Data Quality Engineering

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Stock Data ETL Project

PySpark ETL replacing manual Excel logs with automated, accurate daily stock history

Key stacks: PySpark · ETL · SQL · MSSQL Agent · Parquet

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Stock Data ETL Project

PySpark ETL replacing manual Excel logs with automated, accurate daily stock history

Key stacks: PySpark · ETL · SQL · MSSQL Agent · Parquet

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SAP B1 SQL Reporting Automation

T-SQL queries that automate reporting and controls in SAP Business One ERP system. Inventory, sales, costing, imports, and fraud detection

Key stacks: SAP B1 · T-SQL

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SAP B1 SQL Reporting Automation

T-SQL queries that automate reporting and controls in SAP Business One ERP system. Inventory, sales, costing, imports, and fraud detection

Key stacks: SAP B1 · T-SQL

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CNN for CIFAR-10 Image Classification

CNN modelling and hyperparameter tuning to increase image classification accuracy

Key Stack: Python · TensorFlow · Keras · CNN · Hyperparameter Tuning · Batch Normalization

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CNN for CIFAR-10 Image Classification

CNN modelling and hyperparameter tuning to increase image classification accuracy

Key Stack: Python · TensorFlow · Keras · CNN · Hyperparameter Tuning · Batch Normalization

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Siamese Transformer for Portfolio Strategy Comparison

Siamese Transformer architecture to model behavioural differences between two financial strategies under identical market conditions

Key stacks: PyTorch · Siamese Networks · Transformer Encoder · MLP Classifier · Financial Time-series Engineering · Data Pre-processing, Python

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Siamese Transformer for Portfolio Strategy Comparison

Siamese Transformer architecture to model behavioural differences between two financial strategies under identical market conditions

Key stacks: PyTorch · Siamese Networks · Transformer Encoder · MLP Classifier · Financial Time-series Engineering · Data Pre-processing, Python

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Vacancy Time-Series Forecasting with Automated Data Pipelines

Automated time-series forecasting pipeline for multi-vintage datasets

Key stacks: Scikit-learn · Statsmodels · Pandas · Matplotlib · BeautifulSoup

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Vacancy Time-Series Forecasting with Automated Data Pipelines

Automated time-series forecasting pipeline for multi-vintage datasets

Key stacks: Scikit-learn · Statsmodels · Pandas · Matplotlib · BeautifulSoup

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Spatial Distribution Forecasting

Spatial ecological modelling in R for Random Forest–SVM comparison using spatial cross-validation

Key stacks: R · Spatial Processing (terra, sf, raster, rgdal) · RandomForest · Multiple Linear Regression · kernlab

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Spatial Distribution Forecasting

Spatial ecological modelling in R for Random Forest–SVM comparison using spatial cross-validation

Key stacks: R · Spatial Processing (terra, sf, raster, rgdal) · RandomForest · Multiple Linear Regression · kernlab

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Police DB App

PHP + MySQL web app with CRUD and role-based access

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Police DB App

PHP + MySQL web app with CRUD and role-based access

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Environmental Modelling and Analysis

GIS & hydrological modelling using QGIS, Spatial Interpolation (Regression, MQUAD, Cokriging), ETo, and Flood Modeller

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Environmental Modelling and Analysis

GIS & hydrological modelling using QGIS, Spatial Interpolation (Regression, MQUAD, Cokriging), ETo, and Flood Modeller

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Monopoly-SQL

Monopoly game simulation using SQL triggers and procedures

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Monopoly-SQL

Monopoly game simulation using SQL triggers and procedures

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Soomin Myung