This is an abstractive summarization demo program. It was mainly used to summarize opinions, but since it does not rely on any domain information, it can be used to summarize any highly redundant text.
L. Zhuang, F. Jing, and X. Zhu. CIKM '06: Proceedings of the 15th ACM international conference on Information and knowledge management, page 43--50. New York, NY, USA, ACM, (2006)