_:vb50821110 . _:vb50821111 . _:vb50821109 . . "Calendar API" . . _:vb50821111 . . _:vb50821109 "Richard Tibbett" . _:vb50821111 . _:vb50821110 . "2014-01-14" . . _:vb50821109 . . _:vb50821110 "Suresh Chitturi" .