3 papers
cs.LG2025
Multi-Play Combinatorial Semi-Bandit Problem
Shintaro Nakamura, Yuko Kuroki, Wei Chen
In the combinatorial semi-bandit (CSB) problem, a player selects an action from a combinatorial action set and observes feedback from the base arms included in the action. While CS…
cs.SI2025
Effective and Efficient Conductance-based Community Search at Billion Scale
Longlong Lin, Yue He, Wei Chen +3
Community search is a widely studied semi-supervised graph clustering problem, retrieving a high-quality connected subgraph containing the user-specified query vertex. However, exi…
cs.LG2025
Structural-Entropy-Based Sample Selection for Efficient and Effective Learning
Tianchi Xie, Jiangning Zhu, Guozu Ma +4
Sample selection improves the efficiency and effectiveness of machine learning models by providing informative and representative samples. Typically, samples can be modeled as a sa…