_:vb50857938 . _:vb50857938 . _:vb50857938 _:vb50857939 . _:vb50857938 "influencee: an identifier (o2) for an entity, activity, or agent; " . _:vb50857938 "http://www.w3.org/TR/2013/REC-prov-dm-20130430/#term-influence" . _:vb50857938 .