メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.950159646408 35.1540716800456, 136.949883271878 35.1541880219844, 136.949658821521 35.1542705109728, 136.948387750671 35.1547377546293, 136.948352989267 35.1547500166014, 136.948206968052 35.1543046096024, 136.94805552725 35.153841234632, 136.94808084135 35.1538022657175, 136.949393602535 35.1533400283876, 136.949647386611 35.1532453381819, 136.949661548321 35.1532400116567, 136.949675088067 35.1532349652658, 136.950159646408 35.1540716800456)) ^^http://www.opengis.net/ont/geosparql#wktLiteral