@article{koide_xiao_ishikawa, 
  title={Compressed Indexing for Trajectories Constrained in Road Networks}, 
  volume={J103-D}, 
  DOI={10.14923/transinfj.2019det0001}, 
  number={5}, 
  publisher={The Institute of Electronics, Information and Communication Engineers}, 
  author={KOIDE, Satoshi and XIAO, Chuan and ISHIKAWA, Yoshiharu}
  }