LLM-based Query Expansion Fails for Unfamiliar and Ambiguous Queries.

@inproceedings{abe-2025-llmbased, author = {Kenya Abe and Kunihiro Takeoka and Makoto P. Kato and Masafumi Oyamada}, editor = {Nicola Ferro and Maria Maistro and Gabriella Pasi and Omar Alonso and Andrew Trotman and Suzan Verberne}, title = {{LLM-based Query Expansion Fails for Unfamiliar and Ambiguous Queries}}, booktitle = {{Proceedings of the 48th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2025, Padua, Italy, July 13-18, 2025}}, pages = {3035--3039}, publisher = {ACM}, year = {2025}, url = {https://doi.org/10.1145/3726302.3730222}, doi = {https://doi.org/10.1145/3726302.3730222} }