A clustering-based sampling approach for refreshing search engine's database.

Qingzhao Tan Ziming Zhuang Prasenjit Mitra C. Lee Giles A clustering-based sampling approach for refreshing search engine's database. 2007 conf/webdb/2007 WebDB http://gemo.futurs.inria.fr/events/WebDB2007/Papers/p20.pdf db/conf/webdb/webdb2007.html#TanZMG07