@InProceedings{Amini07,
  title =	"A Contextual Query Expansion Approach by Term Clustering for Robust Text Summarization",
  author =	"Massih Amini and Nicolas Usunier",
  address =	"Rocherster - USA",
  booktitle =	"Proceedings of the 7th Document Understanding Conference",
  year = 	"2007"
}