メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.609875185653 35.3548467873643, 136.609876044044 35.3550098200889, 136.609692056333 35.3550156608387, 136.609691332914 35.355121150844, 136.60949723941 35.3551216629109, 136.608480377735 35.3551596327414, 136.608415981115 35.3551620097813, 136.607868523961 35.3552312335846, 136.607838795807 35.3550982776389, 136.607093058337 35.3552207333385, 136.606919695428 35.3552630265348, 136.606873404443 35.3551077400751, 136.606376160705 35.355193316787, 136.606254207607 35.3550223955438, 136.606172399179 35.354707575888, 136.606419363961 35.3546556257886, 136.607008926167 35.3545316747431, 136.607192320358 35.3544930896377, 136.608358394706 35.354429766379, 136.608414540818 35.3544271393374, 136.60845497549 35.3544096508634, 136.609261279901 35.3543716235465, 136.609807753889 35.3543073882753, 136.609839363855 35.354398379611, 136.609874941554 35.3546755176492, 136.609875185653 35.3548467873643)) ^^http://www.opengis.net/ont/geosparql#wktLiteral