@Book{P16-4:2016,
  editor    = {Sameer Pradhan  and  Marianna Apidianaki},
  title     = {Proceedings of ACL-2016 System Demonstrations},
  month     = {August},
  year      = {2016},
  address   = {Berlin, Germany},
  publisher = {Association for Computational Linguistics},
  url       = {http://anthology.aclweb.org/P16-4}
}