Ph.D student in Computer Science and Engineering
Columbia University
M.S in Computer Science and Engineering
Seoul National University

B.S. in Computer Science and Engineering, Statistics
Seoul National University

Curriculum Vitae
Email : yookoonpark at gmail dot com

I'm a Ph.D student working with Professor David M Blei, at Columbia University. I'm broadly interested in unsupervised learning, uncertainty estimation, deep generative models and machine learning applications in vision and language domains.

Density Uncertainty Layers for Reliable Uncertainty Estimation
Yookoon Park and David Blei
Artificial Intelligence and Statistics (AISTATS), 2024.
preprint

Normalized Contrastive Learning for Text-Video Retrieval
Yookoon Park, Mahmoud Azab, Bo Xiong, Seungwhan Moon, Florian Metza, Gourab Kundu and Kirmani Ahmed
Empirical Methods in Natural Language Processing (EMNLP), 2022.
paper

Unsupervised Representation Learning via Neural Activation Coding
Yookoon Park, Sangho Lee, Gunhee Kim and David Blei
International Conference on Machine Learning (ICML), 2021.
paper / code

Variational Laplace Autoencoders
Yookoon Park, Chris Dongjoo Kim and Gunhee Kim
International Conference on Machine Learning (ICML), 2019.
paper / code

A Hierarchical Latent Structure for Variational Conversation Modeling
Yookoon Park, Jaemin Cho and Gunhee Kim
North American Chapter of the Association for Computational Linguistics (NAACL), 2018. Oral presentation.
paper / code

SplitNet: Learning to Semantically Split Deep Networks for Parameter Reduction and Model Parallelization
Yookoon Park*, Juyong Kim*, Gunhee Kim, and Sung Ju Hwang (*: equal contribution)
International Conference on Machine Learning (ICML), 2017.
paper / code

Research Intern. Facebook.
(2022 Summer)

Research Intern. Facebook.
(2021 Summer and Fall)

Kwanjeong Educational Foundation : Doctoral Study Abroad Scholarship
(2019 - present)

Korea Foundation for Advanced Studies (KFAS): Graduate Student Scholarship
Full tuition & fees (2017 - 2018)

National Science and Engineering Scholarship: Undergraduate Student Scholarship
Full tuition & fees (2010 - 2017)