Pretraining Exposure Explains Popularity Judgments in Large Language Models.

@inproceedings{mozafari-2026-pretraining, author = {Jamshid Mozafari and Adam Jatowt and Linhao Ye and Bhawna Piryani and Adam Jatowt and Linhao Ye}, 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 = {{Pretraining Exposure Explains Popularity Judgments in Large Language 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 = {4016--4021}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809958}, doi = {https://doi.org/10.1145/3805712.3809958} }