papers

Publications (6)

cs.LG2026

Designing Service Systems from Textual Evidence

Ruicheng Ao, Hongyu Chen, Siyang Gao +2

Designing service systems requires selecting among alternative configurations -- choosing the best chatbot variant, the optimal routing policy, or the most effective quality contro…

physics.flu-dyn2022

Rayleigh-Taylor instability under multi-mode perturbation: discrete Boltzmann modeling with tracers

Hanwei Li, Aiguo Xu, Ge Zhang +1

The Rayleigh-Taylor Instability (RTI) under multi-mode perturbation in compressible flow is probed via the Discrete Boltzmann Modeling (DBM) with tracers. The distribution of trace…

econ.EM2024

Data-Driven Real-time Coupon Allocation in the Online Platform

Jinglong Dai, Hanwei Li, Weiming Zhu +2

Traditionally, firms have offered coupons to customer groups at predetermined discount rates. However, advancements in machine learning and the availability of abundant customer da…

cs.IR2025

Quadratic Interest Network for Multimodal Click-Through Rate Prediction

Honghao Li, Hanwei Li, Jing Zhang +4

Multimodal click-through rate (CTR) prediction is a key technique in industrial recommender systems. It leverages heterogeneous modalities such as text, images, and behavioral logs…

cs.LG2026

Best Arm Identification with LLM Judges and Limited Human

Ruicheng Ao, Hongyu Chen, Siyang Gao +2

We study fixed-confidence best-arm identification (BAI) where a cheap but potentially biased proxy (e.g., LLM judge) is available for every sample, while an expensive ground-truth…

cs.IR2025

FCN: Fusing Exponential and Linear Cross Network for Click-Through Rate Prediction

Honghao Li, Yiwen Zhang, Yi Zhang +3

As an important modeling paradigm in click-through rate (CTR) prediction, the Deep & Cross Network (DCN) and its derivative models have gained widespread recognition primarily due…