@article(2010-answering-questions-with-an-n-gram-based-passage-retrieval-engine,
  author = {Davide Buscaldi and Paolo Rosso and Jose Manuel Gómez and Emilio Sanchis Arnal},
  title = {Answering Questions with an n-gram based Passage Retrieval Engine},
  year = {2010},
  journal = {JOURNAL OF INTELLIGENT INFORMATION SYSTEMS},
  volume = {34},
  number = {2},
  pages = {113-134}
)