A Voronoi Cell Formulation for Principled Token Pruning in Late-Interaction Retrieval Models.

@inproceedings{azzopardi-2026-voronoi, author = {Leif Azzopardi and Yash Kankanampati and Leif Azzopardi and Yash Kankanampati and Yuxuan Zong and Nadi Tomeh and Paul Thomas and Benjamin Piwowarski and Joseph Le Roux}, 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 = {{A Voronoi Cell Formulation for Principled Token Pruning in Late-Interaction Retrieval Models}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {756--766}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809726}, doi = {https://doi.org/10.1145/3805712.3809726} }