Calicrates Policroniades Ian Pratt Alternatives for Detecting Redundancy in Storage Systems Data. 73-86 2004 conf/usenix/2004g USENIX Annual Technical Conference, General Track http://www.usenix.org/publications/library/proceedings/usenix04/tech/general/policroniades.html db/conf/usenix/usenix2004g.html#PolicroniadesP04