The Matryoshka Hypencoder.

@inproceedings{alkawaas-2026-matryoshka, author = {Majd Alkawaas and Mimpei Morishita and Sean MacAvaney and Majd Alkawaas and Mimpei Morishita}, 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 = {{The Matryoshka Hypencoder}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {3574--3579}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809980}, doi = {https://doi.org/10.1145/3805712.3809980} }