@Book{GEMS:2011,
  editor    = {Sebastian Pado  and  Yves Peirsman},
  title     = {Proceedings of the GEMS 2011 Workshop on GEometrical Models of Natural Language Semantics},
  month     = {July},
  year      = {2011},
  address   = {Edinburgh, UK},
  publisher = {Association for Computational Linguistics},
  url       = {http://www.aclweb.org/anthology/W11-25}
}