dc:publisher w3:W3C dc:date 2008-04-04 item deliverydate scheduledate diffduration diffdays cpt:perishable item cpt:delivered item deliverydate ppl:John cpt:scheduled item scheduledate fn:subtract-dateTimes-yielding-dayTimeDuration deliverydate scheduledate diffduration fn:get-days-from-dayTimeDuration diffduration diffdays op:numeric-greater-than diffdays 10 cpt:reject ppl:John item item cpt:unsolicited item cpt:reject ppl:Fred item