activity
20242026
collaborators

7 papers

cs.IR2026

Learning Robust Personalized Prompts for LLM-Driven Sequential Recommendation

Xiaolin Zheng, Qiyong Zhong, Jiajie Su +1

LLM-driven sequential recommendation formulates next-item prediction as autoregressive generation conditioned on natural-language prompts. However, minor wording changes in semanti…

cs.IR2026

Is Serving-Time Language-Model Inference Necessary for Recommendation? Evidence from Generative and Agentic Settings

Kong Wang, Zhongke He, Xiang Chen +4

Language models (LMs) are increasingly used in recommender systems to generate recommendations or coordinate recommendation tools. However, does their strong performance imply that…

cs.AI2026

MOCHA: Multi-Objective Chebyshev Annealing for Agent Skill Optimization

Md Mehrab Tanjim, Jayakumar Subramanian, Xiang Chen +6

LLM agents organize behavior through skills -- structured natural-language specifications that govern how an agent reasons, retrieves, and responds. Unlike monolithic prompts, skil…

cs.CR2026

Prompt2Fingerprint: Plug-and-Play LLM Fingerprinting via Text-to-Weight Generation

Sixu Chen, Xiang Chen, Hongyao Yu +5

The widespread deployment and redistribution of large language models (LLMs) have made model provenance tracking a critical challenge. While existing LLM fingerprinting methods, pa…

cs.LG2025

From Selection to Generation: A Survey of LLM-based Active Learning

Yu Xia, Subhojyoti Mukherjee, Zhouhang Xie +31

Active Learning (AL) has been a powerful paradigm for improving model efficiency and performance by selecting the most informative data points for labeling and training. In recent…

cs.CV2024

Personalized Multimodal Large Language Models: A Survey

Junda Wu, Hanjia Lyu, Yu Xia +24

Multimodal Large Language Models (MLLMs) have become increasingly important due to their state-of-the-art performance and ability to integrate multiple data modalities, such as tex…

cs.IR2024

X-Reflect: Cross-Reflection Prompting for Multimodal Recommendation

Hanjia Lyu, Ryan Rossi, Xiang Chen +4

Large Language Models (LLMs) have been shown to enhance the effectiveness of enriching item descriptions, thereby improving the accuracy of recommendation systems. However, most ex…