@article{anextensibleandpersonalizablemultimodal,
  title = {An Extensible and Personalizable Multi-Modal Trip Planner},
  author = {Xudong Liu and Christian Fritz and Matthew Klenk},
  year = {2019},
  eprint = {1909.11604},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1909.11604v1},
}