collaborators

8 papers

cs.AI2026

Difficulty-Aware Semantic-ID Optimization for Generative Recommendation

Xin Yu, Stephen Li, Sina Aghaei +6

Semantic-ID-based generative recommendation casts retrieval and ranking as autoregressive generation over hierarchical item identifiers. A common recipe is SFT followed by GRPO, ye…

cs.CL2025

Captions Speak Louder than Images: Generalizing Foundation Models for E-commerce from High-quality Multimodal Instruction Data

Xinyi Ling, Hanwen Du, Bo Peng +2

Leveraging multimodal data to drive breakthroughs in e-commerce applications through Multimodal Foundation Models (MFMs) is gaining increasing attention from the research community…

cs.CL2025

Planning with Diffusion Models for Target-Oriented Dialogue Systems

Hanwen Du, Bo Peng, Xia Ning

Target-Oriented Dialogue (TOD) remains a significant challenge in the LLM era, where strategic dialogue planning is crucial for directing conversations toward specific targets. How…

cs.CV2025

Analyzing Fine-Grained Alignment and Enhancing Vision Understanding in Multimodal Language Models

Jiachen Jiang, Jinxin Zhou, Bo Peng +2

Achieving better alignment between vision embeddings and Large Language Models (LLMs) is crucial for enhancing the abilities of Multimodal LLMs (MLLMs), particularly for recent mod…

cs.CL2025

SAPIENT: Mastering Multi-turn Conversational Recommendation with Strategic Planning and Monte Carlo Tree Search

Hanwen Du, Bo Peng, Xia Ning

Conversational Recommender Systems (CRS) proactively engage users in interactive dialogues to elicit user preferences and provide personalized recommendations. Existing methods tra…

q-bio.BM2025

log-RRIM: Yield Prediction via Local-to-global Reaction Representation Learning and Interaction Modeling

Xiao Hu, Ziqi Chen, Bo Peng +2

Accurate prediction of chemical reaction yields is crucial for optimizing organic synthesis, potentially reducing time and resources spent on experimentation. With the rise of arti…