Constant-factor approximation for ordered k-median

Jaroslaw Byrka, Krzysztof Sornat, Joachim Spoerhase. Constant-factor approximation for ordered k-median. In Ilias Diakonikolas, David Kempe 0001, Monika Henzinger, editors, Proceedings of the 50th Annual ACM SIGACT Symposium on Theory of Computing, STOC 2018, Los Angeles, CA, USA, June 25-29, 2018. pages 620-631, ACM, 2018. [doi]

@inproceedings{ByrkaSS18,
  title = {Constant-factor approximation for ordered k-median},
  author = {Jaroslaw Byrka and Krzysztof Sornat and Joachim Spoerhase},
  year = {2018},
  doi = {10.1145/3188745.3188930},
  url = {http://doi.acm.org/10.1145/3188745.3188930},
  researchr = {https://researchr.org/publication/ByrkaSS18},
  cites = {0},
  citedby = {0},
  pages = {620-631},
  booktitle = {Proceedings of the 50th Annual ACM SIGACT Symposium on Theory of Computing, STOC 2018, Los Angeles, CA, USA, June 25-29, 2018},
  editor = {Ilias Diakonikolas and David Kempe 0001 and Monika Henzinger},
  publisher = {ACM},
}