| http://www.w3.org/ns/prov#value | - But when Sellen and Harper looked at the folders they discovered that they contained all kinds of idiosyncratic material ??? advertising paraphernalia, printouts of e-mails, presentation notes, and letters ??? much of which had been annotated in the margins with thoughts and amendments and, they write, ???perhaps most important, comments about problems and issues with a supplier???s performance no
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