activity
20232026
most citedControllable Multi-Objective Re-ranking with Policy Hypernetworks

25 citations · 27 across the 10 of their papers we have counts for

collaborators

10 papers

cs.AI2026

Reasoning While Recommending: Entropy-Guided Latent Reasoning in Generative Re-ranking Models

Changshuo Zhang

Reinforcement learning plays a crucial role in generative re-ranking scenarios due to its exploration-exploitation capabilities, but existing generative methods mostly fail to adap…

cs.AI2026

Process In-Context Learning: Enhancing Mathematical Reasoning via Dynamic Demonstration Insertion

Ang Gao, Changshuo Zhang, Xiao Zhang +4

In-context learning (ICL) has proven highly effective across diverse large language model (LLM) tasks. However, its potential for enhancing tasks that demand step-by-step logical d…

cs.IR2025

Comment Staytime Prediction with LLM-enhanced Comment Understanding

Changshuo Zhang, Zihan Lin, Shukai Liu +2

In modern online streaming platforms, the comments section plays a critical role in enhancing the overall user experience. Understanding user behavior within the comments section i…

cs.IR2025

Test-Time Alignment for Tracking User Interest Shifts in Sequential Recommendation

Changshuo Zhang, Xiao Zhang, Teng Shi +2

Sequential recommendation is essential in modern recommender systems, aiming to predict the next item a user may interact with based on their historical behaviors. However, real-wo…

cs.IR2024★ 1 cited

Modeling Domain and Feedback Transitions for Cross-Domain Sequential Recommendation

Changshuo Zhang, Teng Shi, Xiao Zhang +4

Nowadays, many recommender systems encompass various domains to cater to users' diverse needs, leading to user behaviors transitioning across different domains. In fact, user behav…

cs.LG2024★ 1 cited

A Survey of Controllable Learning: Methods and Applications in Information Retrieval

Chenglei Shen, Xiao Zhang, Teng Shi +3

Controllability has become a crucial aspect of trustworthy machine learning, enabling learners to meet predefined targets and adapt dynamically at test time without requiring retra…

cs.IR2024

Do Not Wait: Learning Re-Ranking Model Without User Feedback At Serving Time in E-Commerce

Yuan Wang, Zhiyu Li, Changshuo Zhang +4

Recommender systems have been widely used in e-commerce, and re-ranking models are playing an increasingly significant role in the domain, which leverages the inter-item influence…

cs.IR2024

QAGCF: Graph Collaborative Filtering for Q&A Recommendation

Changshuo Zhang, Teng Shi, Xiao Zhang +5

Question and answer (Q&A) platforms usually recommend question-answer pairs to meet users' knowledge acquisition needs, unlike traditional recommendations that recommend only one i…

cs.IR2024

UOEP: User-Oriented Exploration Policy for Enhancing Long-Term User Experiences in Recommender Systems

Changshuo Zhang, Sirui Chen, Xiao Zhang +3

Reinforcement learning (RL) has gained traction for enhancing user long-term experiences in recommender systems by effectively exploring users' interests. However, modern recommend…

cs.IR2023★ 25 cited

Controllable Multi-Objective Re-ranking with Policy Hypernetworks

Sirui Chen, Yuan Wang, Zijing Wen +6

Multi-stage ranking pipelines have become widely used strategies in modern recommender systems, where the final stage aims to return a ranked list of items that balances a number o…