@article{personalizationandrecommendation,
  title = {Personalization and Recommendation Technologies for MaaS},
  author = {K. Arnaoutaki and E. Bothos and B. Magoutas and G. Mentzas},
  year = {2021},
  eprint = {2101.12335},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.12335v1},
}