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Optimization & Machine Learning Laboratory

Department of Statistics and Data Science, University of Seoul


❓ About Us

Optim.Lab. at the Department of Statistics and Data Science, University of Seoul, studies the fundamental principles of machine learning and develops optimization methodologies for learning models.

Our research aims to understand how learning algorithms operate, analyze their theoretical properties, and design effective optimization strategies for model training and generalization.

We primarily work with:

  • 🌐 Network data
  • 🏆 Ranking data
  • 📈 Stock market and financial time-series data

Based on these domains, we develop:

  • Predictive models
  • Generative models

📚 Publications

You can explore our research publications via Google Scholar:

👉 Optim.Lab Google Scholar


Popular repositories Loading

  1. CryptoVAE CryptoVAE Public

    This repository is the official implementation of Cryptocurrency Price Forecasting using Variational AutoEncoder with Versatile Quantile Modeling (CIKM, 2024).

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  2. sif-models sif-models Public

    Repository for models of sea ice concentration forecasting.

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  3. U-VAE U-VAE Public

    This repository is the official implementation of `Impute Missing Entries with Uncertainty' (AAAI, 2026).

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  4. CHEM CHEM Public

    This repository is the official implementation of CHEM: Causally and Hierarchically Explaining Molecules (CIKM, 2025).

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  5. QPP-MLC QPP-MLC Public

    This repository is the official implementation of Generalizing Query Performance Prediction under Retriever and Concept Shifts via Data-driven Correction (CIKM, 2025).

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  6. DrIM DrIM Public

    This repository is the official implementation of 'DrIM: Context-Driven Nearest Neighbor Imputation using Language Representation' with PyTorch (PAKDD 2026).

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