@article{gravityawarehierarchicalroutingforlightw,
  title = {Gravity-Aware Hierarchical Routing for Lightweight SensorLLM on Human Activity Recognition},
  author = {Hao Li and Mingrui Zheng and Yasuyuki Tahara and Yuichi Sei},
  year = {2026},
  eprint = {2606.04019},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.04019},
}