PruneRAG: Confidence-Guided Query Decomposition Trees for Efficient Retrieval-Augmented Generation.

@inproceedings{jiao-2026-prunerag, author = {Shuguang Jiao and Xinyu Xiao and Yunfan Wei and Shuhan Qi and Chengkai Huang and Quan Z. Sheng and Lina Yao}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{PruneRAG: Confidence-Guided Query Decomposition Trees for Efficient Retrieval-Augmented Generation}}, booktitle = {{Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026}}, pages = {1923--1934}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792103}, doi = {https://doi.org/10.1145/3774904.3792103} }