@article(2012-using-word-graphs-as-intermediate-representation-of-uttered-sentences,
  author = {Jon Ander Gomez Adrian and Emilio Sanchis Arnal},
  title = {Using Word Graphs as Intermediate Representation of Uttered Sentences},
  year = {2012},
  journal = {Lecture Notes in Computer Science},
  volume = {7441},
  pages = {284-291}
)