_:vb51100122 "79" . _:vb51100120 "79" . _:vb51100122 . _:vb51100121 "79" . _:vb51100120 _:vb51100121 . _:vb51100122 "years_of_experience" . _:vb51100121 . _:vb51100120 _:vb51100122 .