@InProceedings{filippova07duc,
  author = 	 {Filippova, Katja and Mieskes, Margot and Nastase, Vivi
                  and Ponzetto, {Simone~Paolo} and Strube, Michael},
  title = 	 {Cascaded Filtering for Topic-Driven
                  Multi-Document Summarization},
  booktitle =    {Proceedings of the 2007 Document Understanding Workshop},
  month = 	 {April},
  year = 	 {2007},
  address = 	 {Rochester, N.Y.},
  pages = 	 {30-35}
}