@Book{IWCS2015:2015,
  editor    = {Matthew Purver  and  Mehrnoosh Sadrzadeh  and  Matthew Stone},
  title     = {Proceedings of the 11th International Conference on Computational Semantics},
  month     = {April},
  year      = {2015},
  address   = {London, UK},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W15-01}
}