collaborators

12 papers

cs.CL2026

Personalized Turn-Level User Conversation Satisfaction Benchmark

Zhefan Wang, Zhiqiang Guo, Weizhi Ma +3

User satisfaction with AI assistants is highly personalized: the same response may satisfy one user but disappoint another depending on what each user expects and what they have as…

cs.IR2026

Understanding Internal Representations of Recommendation Models with Sparse Autoencoders

Jiayin Wang, Xiaoyu Zhang, Weizhi Ma +2

Recommendation model interpretation aims to reveal the relationships between inputs, model internal representations and outputs to enhance the transparency, interpretability, and t…

cs.CV2025

GSE: Evaluating Sticker Visual Semantic Similarity via a General Sticker Encoder

Heng Er Metilda Chee, Jiayin Wang, Zhiqiang Guo +2

Stickers have become a popular form of visual communication, yet understanding their semantic relationships remains challenging due to their highly diverse and symbolic content. In…

cs.IR2025

Human vs. Agent in Task-Oriented Conversations

Zhefan Wang, Ning Geng, Zhiqiang Guo +2

Task-oriented conversational systems are essential for efficiently addressing diverse user needs, yet their development requires substantial amounts of high-quality conversational…

cs.CY2025

Integrating LLM and Diffusion-Based Agents for Social Simulation

Xinyi Li, Zhiqiang Guo, Qinglang Guo +3

Agent-based social simulation provides a valuable methodology for predicting social information diffusion, yet existing approaches face two primary limitations. Traditional agent m…

cs.MM2025

Small Stickers, Big Meanings: A Multilingual Sticker Semantic Understanding Dataset with a Gamified Approach

Heng Er Metilda Chee, Jiayin Wang, Zhiqiang Guo +2

Stickers, though small, are a highly condensed form of visual expression, ubiquitous across messaging platforms and embraced by diverse cultures, genders, and age groups. Despite t…