activity
20242026
collaborators

7 papers

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.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…

cs.CL2025

How Far Can LLMs Improve from Experience? Measuring Test-Time Learning Ability in LLMs with Human Comparison

Jiayin Wang, Zhiquang Guo, Weizhi Ma +1

As evaluation designs of large language models may shape our trajectory toward artificial general intelligence, comprehensive and forward-looking assessment is essential. Existing…

cs.IR2025

U-Sticker: A Large-Scale Multi-Domain User Sticker Dataset for Retrieval and Personalization

Heng Er Metilda Chee, Jiayin Wang, Zhiqiang Guo +3

Instant messaging with texts and stickers has become a widely adopted communication medium, enabling efficient expression of user semantics and emotions. With the increased use of…

cs.IR2025

PerSRV: Personalized Sticker Retrieval with Vision-Language Model

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

Instant Messaging is a popular means for daily communication, allowing users to send text and stickers. As the saying goes, "a picture is worth a thousand words", so developing an…