Furu Wei Yanxiang He Wenjie Li Lei Huang Query-Oriented Summarization Based on Neighborhood Graph Model. 156-167 2009 ICCPOL http://dx.doi.org/10.1007/978-3-642-00831-3_15 conf/iccpol/2009 db/conf/iccpol/iccpol2009.html#WeiHLH09