@article{existentialrulelanguageswithfinitechase,
  title = {Existential Rule Languages with Finite Chase: Complexity and Expressiveness},
  author = {Heng Zhang and Yan Zhang and Jia-Huai You},
  year = {2014},
  eprint = {1411.5220},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1411.5220v3},
}