@article{towardsubiquitousindoorpositioning,
  title = {Towards Ubiquitous Indoor Positioning: Comparing Systems across Heterogeneous Datasets},
  author = {Joaquín Torres-Sospedra and Ivo Silva and Lucie Klus and Darwin Quezada-Gaibor and Antonino Crivello and Paolo Barsocchi and Cristiano Pendão and Elena Simona Lohan and Jari Nurmi and Adriano Moreira},
  year = {2021},
  eprint = {2109.09436},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.09436v1},
}