@article{corebasedhierarchiesforefficientgraphrag,
  title = {Core-based Hierarchies for Efficient GraphRAG},
  author = {Jakir Hossain and Ahmet Erdem Sarıyüce},
  year = {2026},
  eprint = {2603.05207},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.05207},
}