@article{Hovyetal:13,
  author    = {Eduard H. Hovy and
               Roberto Navigli and
               Simone Paolo Ponzetto},
  title     = {Collaboratively built semi-structured content and {A}rtificial
               {I}ntelligence: {T}he story so far},
  journal   = {Artificial Intelligence},
  volume    = {194},
  year      = {2013},
  pages     = {2-27},
}