_:vb86144 . _:vb86150 . _:vb86144 _:vb86151 . _:vb86149 . _:vb86150 _:vb86144 . _:vb86151 . _:vb86152 . _:vb86152 . _:vb86151 _:vb86152 . _:vb86149 "http://www.w3.org/TR/2013/REC-prov-dm-20130430/#term-influence" . _:vb86149 . _:vb86149 "influencer: an identifier (o1) for an ancestor entity, activity, or agent that the former depends on;" . _:vb86149 _:vb86150 . _:vb86149 .