Zan Ouyang Nasir D. Memon Torsten Suel Dimitre Trendafilov Cluster-Based Delta Compression of a Collection of Files. 257-268 2002 conf/wise/2002-1 WISE http://computer.org/proceedings/wise/1766/17660257abs.htm db/conf/wise/wise2002-1.html#OuyangMST02