10WAT'FERS A.Strata Week : Harvard Library releases big da- ta for its books:Harvard offers big data for books, Cloudera's new Hadoop distribution, Sp|unk goes public[EB/OL].[2013- 10-09].http ://radar.oreilly.com/2012/04/harvard -book-da- ta -cloudera -hadoop -splunk -ipo.html.