Semantic IDs for Recommender Systems at Snapchat: Use Cases, Technical Challenges, and Design Choices.

@inproceedings{ju-2026-semantic, author = {Clark Mingxuan Ju and Jia Chen and Francis Jack Smith and Wenfeng Zhuo and David A. Hull and Karthik Iyer and Casper Hansen and Peicheng Yu and Tong Zhao and Zhe Xu and Gregory Grefenstette and Zihao Fan and Christian Hansen and Neil Shah and Leonardo Neves and Yi Wu and Honglei Zhuang and Lili Zhang and Liam Collins and Yao Hu and Manish Malik and Xuanhui Wang and Bhuvesh Kumar and Jiwen Ren and Honglei Zhuang and Lili Zhang and Francis Jack Smith and Wenfeng Zhuo and Clark Mingxuan Ju and Jia Chen and Wen Zhang and Tong Zhao and Zhe Xu and Xiao Bai and Leonardo Neves and Yi Wu and Jinchao Li and Liam Collins and Yao Hu and David A. Hull and Karthik Iyer and Gregory Grefenstette and Zihao Fan and Yilun Xu and Yiwen Chen and Casper Hansen and Peicheng Yu and Manish Malik and Xuanhui Wang and Christian Hansen and Neil Shah}, editor = {Hannah Bast and Alistair Moffat and Falk Scholer and Marc Najork and Min Zhang and Hannah Bast and Marc Najork and Min Zhang}, title = {{Semantic IDs for Recommender Systems at Snapchat: Use Cases, Technical Challenges, and Design Choices}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {4694--4699}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3808405}, doi = {https://doi.org/10.1145/3805712.3808405} }