StAR: Adaptive Structure-Aware Reranking for Semantic-Structural Alignment in GraphRAG.

@inproceedings{oh-2026-star, author = {Junghyun Oh and Jiansong Chen and Sungsu Lim and Jiansong Chen and Sungsu Lim}, 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 = {{StAR: Adaptive Structure-Aware Reranking for Semantic-Structural Alignment in GraphRAG}}, booktitle = {{Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, MelbourneVICAustralia, July 20-24, 2026}}, pages = {4034--4039}, publisher = {ACM}, year = {2026}, url = {https://doi.org/10.1145/3805712.3809897}, doi = {https://doi.org/10.1145/3805712.3809897} }