@inproceedings(2006-incorporating-semantic-knowledge-to-the-language-model-in-a-speech-understanding-system,
  author = {Sergio Grau and Encarna Segarra Soriano and Emilio Sanchis Arnal and Fernando García Granada and Lluís Felip Hurtado Oliver},
  title = {Incorporating semantic knowledge to the language model in a speech understanding system},
  year = {2006},
  booktitle = {International Conference IberSPEECH (Formerly Jornadas en Tecnología del Habla)},
  address = {Zaragoza, España},
  pages = {145-148}
)