メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.471492435782 34.6728325623851, 136.471820291592 34.6734282474283, 136.472598823281 34.67491451717, 136.472087743562 34.6751001845767, 136.471950011066 34.6748640777824, 136.471421437953 34.6750775611216, 136.471297049163 34.6750172103896, 136.471237121557 34.674899301287, 136.471363421336 34.6748501301851, 136.471290651903 34.6747169924433, 136.471155744996 34.674772733622, 136.470668535644 34.6738552949947, 136.469990634086 34.6726263956719, 136.469221095619 34.6712121960939, 136.468912919082 34.6706024841421, 136.468483667452 34.669736030925, 136.469198404991 34.6697456647466, 136.469319959183 34.6696992743369, 136.469665676069 34.6695572197312, 136.470136742943 34.6699378254453, 136.470004737485 34.6700732798267, 136.470386295533 34.6707704599056, 136.471492435782 34.6728325623851)) ^^http://www.opengis.net/ont/geosparql#wktLiteral