Adaptive Sparsity Optimization with Learnable Soft Top-K and Per-Term Thresholding for Efficient Retrieval.

@inproceedings{xie-2026-adaptive, author = {Wentai Xie and Parker Carlson and Shanxiu He and Tao Yang}, 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 = {{Adaptive Sparsity Optimization with Learnable Soft Top-K and Per-Term Thresholding for Efficient Retrieval}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {2072--2083}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809625}, doi = {https://doi.org/10.1145/3805712.3809625} }