@article{b4dlabenchmarkfor4dlidarllminspatiotempo,
  title = {B4DL: A Benchmark for 4D LiDAR LLM in Spatio-Temporal Understanding},
  author = {Changho Choi and Youngwoo Shin and Gyojin Han and Dong-Jae Lee and Junmo Kim},
  year = {2025},
  eprint = {2508.05269},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2508.05269},
}