CAT-ID2: Category-Tree Integrated Document Identifier Learning for Generative Retrieval In E-commerce.

@inproceedings{liu-2026-catid2, author = {Xiaoyu Liu and Fuwei Zhang and Yiqing Wu and Xinyu Jia and Zenghua Xia and Fuzhen Zhuang and Zhao Zhang and Fei Jiang and Wei Lin}, title = {{CAT-ID2: Category-Tree Integrated Document Identifier Learning for Generative Retrieval In E-commerce}}, booktitle = {{Proceedings of the Nineteenth ACM International Conference on Web Search and Data Mining, WSDM 2026, Boise, ID, USA, February 22-26, 2026}}, pages = {426--435}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3773966.3777925}, doi = {https://doi.org/10.1145/3773966.3777925} }