_:vb83836 "http://www.w3.org/TR/2013/REC-prov-dm-20130430/#term-influence" . _:vb83838 . _:vb83831 . _:vb83836 . _:vb83836 . _:vb83831 _:vb83838 . _:vb83837 _:vb83831 . _:vb83838 _:vb83839 . _:vb83836 "influencer: an identifier (o1) for an ancestor entity, activity, or agent that the former depends on;" . _:vb83839 . _:vb83837 . _:vb83836 . _:vb83839 . _:vb83836 _:vb83837 .