Counterfactual Multi-task Learning for Delayed Conversion Modeling in E-commerce Sales Pre-Promotion.

@inproceedings{zheng-2026-counterfactual, author = {Baihua Zheng and Xin Song and Kaiyuan Li and Yunjun Gao and Jinxin Hu and Baihua Zheng and Xin Song and Kaiyuan Li and Yunjun Gao}, 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 = {{Counterfactual Multi-task Learning for Delayed Conversion Modeling in E-commerce Sales Pre-Promotion}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {4139--4144}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809849}, doi = {https://doi.org/10.1145/3805712.3809849} }