activity
20192026
most citedMaking Three Out of Two: Three-Way Online Correlated Selection

4 citations · 5 across the 13 of their papers we have counts for

collaborators

16 papers

cs.DS2026

Iterative Randomized Rounding for Better-Than-2 k-Median Approximation

Jarosław Byrka, Yuhao Guo, Yang Hu +5

We study the classic -median problem and refine the iterative rounding framework recently introduced by Byrka, Guo, Hu, Li, Wan, and Wang [FOCS'26], which yields a $(2+\varepsil…

cs.DS2026

Pure Tail Constraints for Online Problems

Mateusz Basiak, Marcin Bienkowski, Yongho Shin +1

Controlling tail risk is an important objective in online optimization, and recently it has been studied in the context of competitive analysis. Continuing this line of research, w…

cs.DS2026

Parsimonious Learning-Augmented Online Metric Matching

Yongho Shin, Phanu Vajanopath

Learning-augmented algorithms have received significant attention in recent years, particularly in the context of online optimization. Motivated by the high computational cost of g…

cs.DS2026

Optimal Learning-Augmented Algorithm for Online Bidding

Changyeol Lee, Dahoon Lee, Jongseo Lee +2

Recent advances in machine learning have spurred significant interest in learning-augmented algorithms, particularly for online optimization. A growing body of work has studied onl…

cs.DS2026

Servicing Matched Client Pairs with Facilities

Fateme Abbasi, Martin Böhm, Jarosław Byrka +2

We study Facility Location with Matching, a Facility Location problem where, given additional information about which pair of clients is compatible to be matched, we need to match…

cs.RO2025

Post-Training and Test-Time Scaling of Generative Agent Behavior Models for Interactive Autonomous Driving

Hyunki Seong, Jeong-Kyun Lee, Heesoo Myeong +5

Learning interactive motion behaviors among multiple agents is a core challenge in autonomous driving. While imitation learning models generate realistic trajectories, they often i…

cs.DS2025

Approximating (Weighted) Chromatic Correlation Clustering via Cluster LP

Fateme Abbasi, Hyung-Chan An, Jarosław Byrka +2

Correlation Clustering is a fundamental clustering problem that is generalized to Chromatic Correlation Clustering to incorporate categorical data. Both problems have been intensiv…

cs.DS2025

Online Rounding Schemes for Edge Cover

Jarosław Byrka, Yongho Shin

Linear programming rounding is a fundamental technique in the design of approximation and online algorithms. A growing body of work has investigated online rounding schemes for var…

cs.LG2025

Improved Algorithms for Overlapping and Robust Clustering of Edge-Colored Hypergraphs: An LP-Based Combinatorial Approach

Changyeol Lee, Yongho Shin, Hyung-Chan An

Clustering is a fundamental task in both machine learning and data mining. Among various methods, edge-colored clustering (ECC) has emerged as a useful approach for handling catego…

cs.DS2025

Learning-Augmented Online Bipartite Fractional Matching

Davin Choo, Billy Jin, Yongho Shin

Online bipartite matching is a fundamental problem in online optimization, extensively studied both in its integral and fractional forms due to its theoretical significance and pra…

cs.CV2024

Textual Training for the Hassle-Free Removal of Unwanted Visual Data: Case Studies on OOD and Hateful Image Detection

Saehyung Lee, Jisoo Mok, Sangha Park +3

In our study, we explore methods for detecting unwanted content lurking in visual datasets. We provide a theoretical analysis demonstrating that a model capable of successfully par…

cs.DS2023

On Optimal Consistency-Robustness Trade-Off for Learning-Augmented Multi-Option Ski Rental

Yongho Shin, Changyeol Lee, Hyung-Chan An

The learning-augmented multi-option ski rental problem generalizes the classical ski rental problem in two ways: the algorithm is provided with a prediction on the number of days w…

cs.DS2023

Improved Learning-Augmented Algorithms for the Multi-Option Ski Rental Problem via Best-Possible Competitive Analysis

Yongho Shin, Changyeol Lee, Gukryeol Lee +1

In this paper, we present improved learning-augmented algorithms for the multi-option ski rental problem. Learning-augmented algorithms take ML predictions as an added part of the…

cs.DS2021★ 4 cited

Making Three Out of Two: Three-Way Online Correlated Selection

Yongho Shin, Hyung-Chan An

Two-way online correlated selection (two-way OCS) is an online algorithm that, at each timestep, takes a pair of elements from the ground set and irrevocably chooses one of the two…

cs.DS2020★ 1 cited

Online Graph Matching Problems with a Worst-Case Reassignment Budget

Yongho Shin, Kangsan Kim, Seungmin Lee +1

In the online bipartite matching with reassignments problem, an algorithm is initially given only one side of the vertex set of a bipartite graph; the vertices on the other side ar…

cs.DS2019

Constant-Factor Approximation Algorithms for Parity-Constrained Facility Location Problems

Kangsan Kim, Yongho Shin, Hyung-Chan An

Facility location is a prominent optimization problem that has inspired a large quantity of both theoretical and practical studies in combinatorial optimization. Although the probl…