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      Propose to add child element to obix:History:
      <enum name="collection" range="obix:HistoryCollection"/>

      and add range to core contract library:
      <list href="obix:HistoryCollection" is="obix:Range">
      <obj name="cov"/>
      <obj name="interval"/>
      </list>

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      Propose to add child element to obix:History: <enum name="collection" range="obix:HistoryCollection"/> and add range to core contract library: <list href="obix:HistoryCollection" is="obix:Range"> <obj name="cov"/> <obj name="interval"/> </list>

      Interpretation of history data requires knowing if the value was collected on an interval basis or change of value. It would be nice to adopt Haystack definitions - see http://project-haystack.org/tag/hisInterpolate

      <obj href='obix:History'>
      <enum name='interpolate' val='cov'/>
      </obj>

            Assignee:
            Toby Considine (Inactive)
            Reporter:
            Toby Considine (Inactive)
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              Created:
              Updated:
              Resolved: