@Article{LiomaRijsbergen2008,
  author =       {Cristina Lioma and C.J. Keith van Rijsbergen},
  title =        {Part of speech n-grams and Information Retrieval},
  journal =      {Revue fran{\c c}aise de linguistique appliqu{\'u}e},
  year =         {2008},
  volume =       {8},
  number =       {1},
  pages =        {9--22}
}