Reading Seminar

We hold SDS reading seminars irregularly, depending on our schedules.
Speakers are primarily students, and they give a talk about recent papers or general topics in statistics and data science.

2024

  • [Nov 19] Robust Model Aggregation for Distributional Shift
    Presented by Seonghwi Kim. [Slides]

  • [Oct 24] Last-layer Retraining for Group robustness
    Presented by Sungho Jo. [Slides]

  • [Oct 10] Transformers are Minimax Optimal Nonparametric In-Context Learners
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Sep 26] Transfer Learning for Nonparametric Regression: Non-Asymptotic Minimax Analysis
    Presented by Dongguen Kim. [Slides]

  • [Sep 03] Statistical Optimality of Online SGD
    Presented by Jeyong Lee. [Slides]

  • [Aug 20] Density Ratio Estimation in Fair Generative Modeling
    Presented by Myeongsoo Kim. [Slides]

  • [Aug 08] Wavelet theory for function approximation
    Presented by Jeongjik Lee. [Slides]

  • [Jul 17] Bayesian Nonparametrics Meets Data-Driven Distributionally Robust Optimization
    Presented by Seonghwi Kim. [Slides]

  • [Jul 11] Variations in Group Distributionally Robust Optimization
    Presented by Sungho Jo. [Slides]

  • [Jun 27] Variational Bayesian Last Layers
    Presented by Junhyeok Choi. [Slides]

  • [Jun 18] Statistical Properties of DRO Estimators
    Presented by Dongguen Kim. [Slides]

  • [Jun 04] Uncertainty Quantification in Statistical Inference
    Presented by Jeyong Lee. [Slides]

  • [May 16] In-Context Learning and Transformers
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Apr 25] Statistical and Computational Guarantees for Sliced Wasserstein Distances
    Presented by Jeongjik Lee. [Slides]

  • [Apr 09] Bayesian Distributionally Robust Optimization (ver 2024)
    Presented by Seonghwi Kim. [Slides]

  • [Mar 26] Adversarial Training with Latent Perturbation and Group DRO
    Presented by Sungho Jo. [Slides]

  • [Mar 12] Clustering Analysis with Generative Model
    Presented by Junhyeok Choi. [Slides]

  • [Feb 27] Nonparametric Contextual Bandit Algorithms
    Presented by Dongguen Kim. [Slides]

  • [Feb 06] Robustness of Bayesian Inference to Misspecification
    Presented by Jeyong Lee. [Slides]

  • [Jan 24] Consistency Models
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jan 18] Variants of Sliced-Wasserstein Distance
    Presented by Jeongjik Lee. [Slides]

  • [Jan 08] Distributionally Robust Approach for Distributional Shift
    Presented by Seonghwi Kim. [Slides]

2023

  • [Dec 28] Group Distributionally Robust Optimization with Fairness
    Presented by Sungho Jo. [Slides]

  • [Dec 11] Normalizing Flow for Discrete Random Variable 2
    Presented by Junhyeok Choi. [Slides]

  • [Nov 27] A Bandit-based Approach to Hyperparameter Optimization
    Presented by Dongguen Kim. [Slides]

  • [Nov 20] Gaussian Approximation: Non-Asymptotic Analysis and Statistical Applications
    Presented by Jeyong Lee. [Slides]

  • [Nov 13] Evaluation Metrics for Generative Model 2: Precision and Recall
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Nov 06] Sliced Wasserstein Distance
    Presented by Jeongjik Lee. [Slides]

  • [Oct 16] Distributionally Robust Weighted K-Nearest Neighbors
    Presented by Seonghwi Kim. [Slides]

  • [Sep 18] Normalizing Flow for Discrete Random Variable
    Presented by Junhyeok Choi. [Slides]

  • [Sep 14] Algorithms for Group Distributionally Robust Optimization with Application
    Presented by Sungho Jo. [Slides]

  • [Aug 31] Neural Tangent Kernel with an Infinitely Wide Neural Network
    Presented by Dongguen Kim. [Slides]

  • [Aug 24] HyperBandit: Contextual Bandit with Hypernetwork for Time-Varying User Preferences in Streaming Recommendation
    Presented by Jeongjik Lee. [Slides]

  • [Aug 16] Stable Diffusion and Guidance Sampling
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Aug 11] Statistical Efficiency of Score Matching
    Presented by Jeyong Lee. [Slides]

  • [Jul 27] Learning Models with Uniform Performance via Distributionally Robust Optimization
    Presented by Seonghwi Kim. [Slides]

  • [Jul 20] The Methods to Improve Bayesian Neural Networks
    Presented by Junhyeok Choi. [Slides]

  • [Jul 13] Wasserstein Distributional Robustness Framework for Adversarial Training
    Presented by Sungho Jo. [Slides]

  • [Jul 05] Sub-sampling Algorithms in Multi-Armed Bandit
    Presented by Dongguen Kim. [Slides]

  • [Jul 05] Accelerate Sampling Methods of Diffusion Model
    Presented by Myeongsoo Kim. [Slides]

  • [Jun 22] MCMC Methods Using Normalizing Flows
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jun 22] Architecture of Diffusion Models
    Presented by Jaeseung Yang. [Slides]

  • [Jun 15] Grouped Variable Selection with Discrete Optimization
    Presented by Jeongjik Lee. [Slides]

  • [Jun 08] Bayesian Asymptotics and Variational Approximation
    Presented by Jeyong Lee. [Slides]

  • [Jun 01] Sinkhorn Distributionally Robust Optimization
    Presented by Seonghwi Kim. [Slides]

  • [May 18] Scalable Laplace Approximation for Bayesian Neural Network
    Presented by Junhyeok Choi. [Slides]

  • [May 11] Unsupervised Deep Embedding for Clustering
    Presented by Suhyun Park. [Slides]

  • [May 04] Distributionally Robust Neural Networks for Group Shift
    Presented by Sungho Jo. [Slides]

  • [Apr 27] Offline Change Point Detection Methods : Optimal Search Method, PELT
    Presented by Hye-young Kim. [Slides]

  • [Apr 20] POEM: Out-of-Distribution Detection with Posterior Sampling
    Presented by Dongguen Kim. [Slides]

  • [Apr 07] Robust Anomaly Detection for Multivariate Time Series through Stochastic Recurrent Neural Network
    Presented by Somin Lee. [Slides]

  • [Apr 07] Inferring Causal Impact Using Bayesian Structural Time-Series Models
    Presented by Myeongsoo Kim. [Slides]

  • [Mar 31] Normalizing Flows
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Mar 16] USG-Net: Deep Learning-based Ultrasound Scanning-Guide for an Orthopedic Sonographer / Stochastic Adaptive Activation Function
    Presented by Jaeseung Yang. [Slides]

  • [Mar 09] Hidden Markov Model: Infernce and its Applications
    Presented by Kyungmin Kim. [Slides]

  • [Mar 02] Minimax Optimal Deep Neural Network Classifiers under Smooth Decision Boundary
    Presented by Jeongjik Lee. [Slides]

  • [Feb 14] Meta-Prod2Vec Model for Addressing Item Cold Problem in Recommender Systems
    Presented by Suhyun Park. [Slides]

  • [Feb 14] Markov Chain Convergence Theory 1 : Finite State Space
    Presented by Jeyong Lee. [Slides]

  • [Feb 08] Robust Optimization Approach to Deep Learning
    Presented by Sungho Jo. [Slides]

  • [Feb 03] Wasserstein Distributionally Robust Optimization
    Presented by Seonghwi Kim. [Slides]

  • [Feb 03] RNN for Multivariate Time Series with Missing Values : GRU-D and Its Application to EHR
    Presented by Hye-young Kim. [Slides]

  • [Jan 26] Introduction to Thompson sampling with the Analysis of Regret
    Presented by Dongguen Kim. [Slides]

  • [Jan 26] Confidence Calibration: Why and How?
    Presented by Somin Lee. [Slides]

  • [Jan 18] Optimal One-Pass Nonparametric Estimation Under Memory Constraint
    Presented by Junhyeok Choi. [Slides]

  • [Jan 18] Batch Effects Correction with Unknown Subtypes
    Presented by Kyungmin Kim. [Slides]

  • [Jan 12] Diffusion Model
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jan 12] (f,gamma)-Divergence
    Presented by Jeongjik Lee. [Slides]

2022

  • [Aug 31] Uniform Manifold Approximation and Projection
    Presented by Jeongjik Lee. [Slides]

  • [Aug 24] Variable Selection via Thompson Sampling
    Presented by Kyungmin Kim. [Slides]

  • [Aug 24] Robust Optimization
    Presented by Sungho Jo. [Slides]

  • [Aug 17] Explanation and Shapley Value
    Presented by Dongguen Kim. [Slides]

  • [Jul 20] A Contextual-bandit Approach to Personalized News Article Recommendation
    Presented by Kyungmin Kim. [Slides]

  • [Jul 13] Conceptual Introduction to MCMC and Recent Research Topics
    Presented by Jeyong Lee. [Slides]

  • [Jun 30] Facebook Prophet Model
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jun 22] Bayesian Distributionally Robust Optimization
    Presented by Seonghwi Kim. [Slides]

  • [Fed 23] GPU-Powered Shotgun Stochastic Search for Dirichlet Process Mixtures of Gaussian Graphical Models
    Presented by Seonghwi Kim. [Slides]

  • [Fed 9] Next Item Recommendation with Self-Attention
    Presented by Yejin Kim. [Slides]

  • [Jan 26] Unbiased Markov Chain Monte Carlo Methods with Couplings
    Presented by Jeyong Lee. [Slides]

  • [Jan 26] Spike-and-Slab Prior in Bayesian Neural Networks
    Presented by Junhyeok Choi. [Slides]

  • [Jan 19] A Deep Generative Approach to Conditional Sampling
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jan 4] Causal Inference in Statistics

    • Statistical and Causal Models
      Presented by Seonghwi Kim. [Slides]

    • Graphical Models and Their applications
      Presented by Junhyeok Choi. [Slides]

    • The Effects of Interventions
      Presented by Hyeok Kyu Kwon. [Slides]

    • Counterfactuals and Their Applications
      Presented by Dongguen Kim. [Slides]

2021

  • [Aug 25] Auto-encoding Variational Bayes in Topic Model
    Presented by Seonghwi Kim. [Slides]

  • [Aug 25] Self-Attentive Sequential Recommendation
    Presented by Heejin Kim. [Slides]

  • [Aug 18] Style GAN
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Aug 11] Bayesian Neural Network
    Presented by Junhyeok Choi. [Slides]

  • [Aug 11] Abstractive Summarization
    Presented by Yejin Kim. [Slides]

  • [Aug 4] Wasserstein GAN
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jul 21] Theoretical Foundation of t-SNE
    Presented by Jeyong Lee. [Slides]

  • [Jul 14] Zero Shot Learning
    Presented by Junhyeok Choi. [Slides]

  • [Jul 7] Introduction to Language Modeling
    Presented by Yejin Kim. [Slides]

  • [Jul 7] Markov Decision Process
    Presented by Dongguen Kim. [Slides]

  • [Jun 30] Introduction to Reinforcement Learning
    Presented by Dongguen Kim. [Slides]

  • [Jun 23] Manifold Learning
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Feb 24] Evaluation Metric for Generative Model
    Presented by Hyeok Kyu Kwon. [Slides]

2020

  • [Sep 2] Variational Auto-Encoder
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Aug 26] Bayesian Optimization
    Presented by Junhyeok Choi. [Slides]

  • [Aug 26] t-SNE
    Presented by Heejin Kim. [Slides]

  • [Aug 26] How Does Batch Normalization Help Optimization?
    Presented by Dongguen Kim. [Slides]

  • [Aug 12] Natural Language Processing (Word Embedding)
    Presented by Seonghwi Kim. [Slides]

  • [Aug 5] ResNet
    Presented by Yejin Kim. [Slides]

  • [Aug 5] Large Sparse Linear System
    Presented by Jeyong Lee. [Slides]

  • [Jul 29] Model Assessment and Selection
    Presented by Jeyong Lee. [Slides]

  • [Jul 29] Dropout & Batch Normalization
    Presented by Dongguen Kim. [Slides]

  • [Jul 22] Transfer Learning
    Presented by Hyeok Kyu Kwon. [Slides]

  • [Jul 22] Object Detection
    Presented by Heejin Kim. [Slides]

  • [Jul 15] Optimizer
    Presented by Junhyeok Choi. [Slides]

  • [Jul 15] Latent Dirichlet Allocation
    Presented by Seonghwi Kim. [Slides]

  • [Jul 9] GPU and CPU
    Presented by Jongwon Kim. [Slides]