RPO-RAG: Aligning Small LLMs with Relation-aware Preference Optimization for Knowledge Graph Question Answering.

@inproceedings{um-2026-rporag, author = {Kaehyun Um and Kyuhwan Yeom and Haerim Yang and Minyoung Choi and Hyeongjun Yang and Kyong-Ho Lee}, editor = {Hakim Hacid and Yoelle Maarek and Francesco Bonchi and Ido Guy and Emine Yilmaz}, title = {{RPO-RAG: Aligning Small LLMs with Relation-aware Preference Optimization for Knowledge Graph Question Answering}}, 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 = {2513--2523}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3774904.3792730}, doi = {https://doi.org/10.1145/3774904.3792730} }