3 papers
stat.ML2026
Multi-Armed Bandits with Arriving Arms: Sequential Screening, Dynamic Regret, and Sublinear Guarantees
Deqi Zheng, Xiaoyang Xu, Yuhong Yang
We study a stochastic multi-armed bandit problem in which the set of available arms expands over time. This setting arises in sequential experimentation when new actions or treatme…
cs.IR2026
Modeling Behavioral Intensity and Transitions for Generative Recommendation
Wenxuan Yang, Xiaoyang Xu, Hanyu Zhang +3
Multi-behavior recommendation aims to predict user conversions by modeling various interaction types that carry distinct intent signals. Recently, generative sequence modeling meth…
cs.CG2026
Parameterized Approximation of Rectangle Stabbing
Huairui Chu, Ajaykrishnan E S, Daniel Lokshtanov +4
In the Rectangle Stabbing problem, input is a set of axis-parallel rectangles and a set of axis parallel lines in the plane. The task is to find a minimum siz…