To Case or Not to Case: An Empirical Study in Learned Sparse Retrieval.

@inproceedings{lionis-2026-case, author = {Emmanouil Georgios Lionis and Jia-Huei Ju and Angelos Nalmpantis and Casper Thuis and Sean MacAvaney and Andrew Yates}, editor = {Ricardo Campos and Adam Jatowt and Yanyan Lan and Mohammad Aliannejadi and Christine Bauer and Sean MacAvaney and Avishek Anand and Zhaochun Ren and Suzan Verberne and Nan Bai and Masoud Mansoury}, title = {{To Case or Not to Case: An Empirical Study in Learned Sparse Retrieval}}, booktitle = {{Advances in Information Retrieval - 48th European Conference on Information Retrieval, ECIR 2026, Delft, The Netherlands, March 29 - April 2, 2026, Proceedings, Part I}}, series = {Lecture Notes in Computer Science}, volume = {16483}, pages = {512--528}, publisher = {Springer}, year = {2026}, url = {https://doi.org/10.1007/978-3-032-21289-4_33}, doi = {https://doi.org/10.1007/978-3-032-21289-4_33} }