@article{lioma2008part,
  title={Part of speech n-grams and information retrieval},
  author={Lioma, Christina and van Rijsbergen, Cornelis Joost},
  journal={Revue fran{\c{c}}aise de linguistique appliqu{\'e}e},
  volume={13},
  number={1},
  pages={9--22},
  year={2008},
  publisher={Pub. linguistiques}
}