A (5.83 + ϵ)-Approximation Algorithm for Universal Facility Location Problem with Linear Penalties

@inproceedings{Xu2015A,
  title={A (5.83 + ϵ)-Approximation Algorithm for Universal Facility Location Problem with Linear Penalties},
  author={Yicheng Xu and Dachuan Xu and Donglei Du and Chenchen Wu},
  booktitle={COCOA},
  year={2015}
}