Juyong Lee
I am a PhD(/MS int.) student at KAIST, advised by Kimin Lee.
I received a B.S. degree with a double major in both mathematics and computer science/engineering at POSTECH.
I have an experience as an exchange student at Stanford.
I am currently interested in building practical AI agents.
CV  / 
Google Scholar  / 
Github
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Research Highlights
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(*: equal contribution)
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Learning to Contextualize Web Pages for Enhanced Decision Making by LLM Agents
Dongjun Lee*,
Juyong Lee*,
Kyuyoung Kim,
Jihoon Tack,
Jinwoo Shin,
Yee Whye Teh,
Kimin Lee
ICLR 2025
paper
A novel framework of training a contextualization module to help the decision-making of LLM agents
achieves the super-human performance in the WebShop benchmark.
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MobileSafetyBench: Evaluating Safety of Autonomous Agents in Mobile Device Control
Juyong Lee*,
Dongyoon Hahm*,
June Suk Choi*,
W. Bradley Knox,
Kimin Lee
Preprint
project
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paper
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code
We propose a new benchmark for evaluating the safety and helpfulness of agents,
with extensive analysis of the shortcomings of frontier LLM agents in mobile device control.
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B-MoCA: Benchmarking Mobile Device Control Agents across Diverse Configurations
Juyong Lee,
Taywon Min,
Minyong An,
Dongyoon Hahm,
Haeone Lee,
Changyeon Kim,
Kimin Lee
ICLR 2024 Workshop: GenAI4DM (spotlight presentation)
project
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paper
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code
A novel benchmark that can serve as a unified testbed for mobile device control agents
on performing practical daily tasks across diverse device configurations.
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LiFT: Unsupervised Reinforcement Learning with Foundation Models as Teachers
Taewook Nam*,
Juyong Lee*,
Jesse Zhang,
Sung Ju Hwang,
Joseph J Lim,
Karl Pertsch
NeurIPS 2023 Workshop: ALOE
project
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paper
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code
Reinforcement learning agents discover semantically meaningful skills
with tasks proposed by a large language model and rewards from a vision-language model.
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Hyperbolic VAE via Latent Gaussian Distributions
Seunghyuk Cho,
Juyong Lee,
Dongwoo Kim
NeurIPS 2023
paper
A newly proposed distribution (over a Riemannian manifold of the diagonal Gaussians equipped with Fisher information metric)
empowers learning a hyperbolic world model.
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The source code is from here
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