activity
20152024
most citedGradientless Descent: High-Dimensional Zeroth-Order Optimization

39 citations · 92 across the 11 of their papers we have counts for

collaborators

11 papers

cs.LG2024

Language Model Embeddings Can Be Sufficient for Bayesian Optimization

Tung Nguyen, Qiuyi Zhang, Bangding Yang +6

Bayesian Optimization is ubiquitous in experimental design and black-box optimization for improving search efficiency. However, most existing approaches rely on regression models w…

cs.LG2024

The Vizier Gaussian Process Bandit Algorithm

Xingyou Song, Qiuyi Zhang, Chansoo Lee +8

Google Vizier has performed millions of optimizations and accelerated numerous research and production systems at Google, demonstrating the success of Bayesian optimization as a la…

cs.LG2024

Position: Leverage Foundational Models for Black-Box Optimization

Xingyou Song, Yingtao Tian, Robert Tjarko Lange +3

Undeniably, Large Language Models (LLMs) have stirred an extraordinary wave of innovation in the machine learning research domain, resulting in substantial impact across diverse fi…

cs.LG2024★ 3 cited

OmniPred: Language Models as Universal Regressors

Xingyou Song, Oscar Li, Chansoo Lee +4

Regression is a powerful tool to accurately predict the outcome metric of a system given a set of parameters, but has traditionally been restricted to methods which are only applic…

cs.LG2022

Task Selection for AutoML System Evaluation

Jonathan Lorraine, Nihesh Anderson, Chansoo Lee +2

Our goal is to assess if AutoML system changes - i.e., to the search space or hyperparameter optimization - will improve the final model's performance on production tasks. However,…

cs.LG2022★ 2 cited

Pre-training helps Bayesian optimization too

Zi Wang, George E. Dahl, Kevin Swersky +6

Bayesian optimization (BO) has become a popular strategy for global optimization of many expensive real-world functions. Contrary to a common belief that BO is suited to optimizing…

cs.LG2022★ 4 cited

Open Source Vizier: Distributed Infrastructure and API for Reliable and Flexible Blackbox Optimization

Xingyou Song, Sagi Perel, Chansoo Lee +2

Vizier is the de-facto blackbox and hyperparameter optimization service across Google, having optimized some of Google's largest products and research efforts. To operate at the sc…

cs.LG2022★ 19 cited

Towards Learning Universal Hyperparameter Optimizers with Transformers

Yutian Chen, Xingyou Song, Chansoo Lee +9

Meta-learning hyperparameter optimization (HPO) algorithms from prior experiments is a promising approach to improve optimization efficiency over objective functions from a similar…

cs.LG2021★ 15 cited

Pre-trained Gaussian Processes for Bayesian Optimization

Zi Wang, George E. Dahl, Kevin Swersky +5

Bayesian optimization (BO) has become a popular strategy for global optimization of expensive real-world functions. Contrary to a common expectation that BO is suited to optimizing…

cs.LG2019★ 39 cited

Gradientless Descent: High-Dimensional Zeroth-Order Optimization

Daniel Golovin, John Karro, Greg Kochanski +3

Zeroth-order optimization is the process of minimizing an objective , given oracle access to evaluations at adaptively chosen inputs . In this paper, we present two simple…

cs.LG2015★ 10 cited

Hardness of Online Sleeping Combinatorial Optimization Problems

Satyen Kale, Chansoo Lee, Dávid Pál

We show that several online combinatorial optimization problems that admit efficient no-regret algorithms become computationally hard in the sleeping setting where a subset of acti…