collaborators

6 papers

cs.LG2026

VTool-R1: VLMs Learn to Think with Images via Reinforcement Learning on Multimodal Tool Use

Mingyuan Wu, Jingcheng Yang, Jize Jiang +6

Reinforcement Learning Finetuning (RFT) has significantly advanced the reasoning capabilities of large language models (LLMs) by enabling long chains of thought, self-correction, a…

cs.IR2026

RecoWorld: Building Simulated Environments for Agentic Recommender Systems

Fei Liu, Xinyu Lin, Hanchao Yu +12

We present RecoWorld, a blueprint for building simulated environments tailored to agentic recommender systems. Such environments give agents a proper training space where they can…

cs.IR2026

Don't Waste It: Guiding Generative Recommenders with Structured Human Priors via Multi-Head Decoding

Yunkai Zhang, Qiang Zhang, Feng Lin +7

Optimizing recommender systems for objectives beyond accuracy, such as diversity, novelty, and personalization, is crucial for long-term user satisfaction. To this end, industrial…

cs.IR2026

Efficient Sequential Recommendation for Long Term User Interest Via Personalization

Qiang Zhang, Hanchao Yu, Ivan Ji +14

Recent years have witnessed success of sequential modeling, generative recommender, and large language model for recommendation. Though the scaling law has been validated for seque…

cs.CL2025

PersonaMem-v2: Towards Personalized Intelligence via Learning Implicit User Personas and Agentic Memory

Bowen Jiang, Yuan Yuan, Maohao Shen +13

Personalization is one of the next milestones in advancing AI capability and alignment. We introduce PersonaMem-v2, the state-of-the-art dataset for LLM personalization that simula…

cs.LG2025

BRIDLE: Generalized Self-supervised Learning with Quantization

Hoang M. Nguyen, Satya N. Shukla, Qiang Zhang +5

Self-supervised learning has been a powerful approach for learning meaningful representations from unlabeled data across various domains, reducing the reliance on large labeled dat…