Efficient Multivector Retrieval with Token-Aware Clustering and Hierarchical Indexing.

@inproceedings{martinico-2026-efficient, author = {Silvio Martinico and Franco Maria Nardini and Cosimo Rulli and Rossano Venturini}, 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 = {{Efficient Multivector Retrieval with Token-Aware Clustering and Hierarchical Indexing}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {3982--3987}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809927}, doi = {https://doi.org/10.1145/3805712.3809927} }