Furu Wei Wenjie Li Qin Lu Yanxiang He A Cluster-Sensitive Graph Model for Query-Oriented Multi-document Summarization. 446-453 2008 ECIR http://dx.doi.org/10.1007/978-3-540-78646-7_42 conf/ecir/2008 db/conf/ecir/ecir2008.html#WeiLLH08