_:vb910507 . _:vb910507 "http://www.w3.org/TR/2013/REC-prov-dm-20130430/#term-influence" . _:vb910507 . _:vb910507 "influencee: an identifier (o2) for an entity, activity, or agent; " . _:vb910507 _:vb910508 . _:vb910507 .