Author

Yan-Hua Huang

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Preprint Sep 2026

Generative End-to-end Ad Retrieval at Douyin

Generative retrieval reformulates recommendation as the generation of discrete item tokens. However, scaling this paradigm to real-world recommender systems reveals two critical bottlenecks: 1) Representation collapse, where the item tokenizer converges to degenerate results under continuous distribution shifts, fundam...

Shao-Wen Zeng, Yan-Hua Huang, Jia-Chen Sun et al. · 0 citations

#machine learning Book Open access Mar 2026

IDProxy: CTR Prediction with Multimodal LLMs for Cold-Start Recommendation at Xiaohongshu

This paper presents IDProxy, a production-scale system developed at Xiaohongshu that leverages multimodal large language models (MLLMs) to generate proxy embeddings from rich content signals, enabling CTR prediction for new items in the absence of usage data.

Yu-Bin Zhang, Hai-Ming Xu, Guillaume Salha-Galvan et al. · Proceedings of the 20th ACM... · 2 citations