メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.665270868709 35.8055797892399, 139.665403166464 35.8067493931909, 139.66543727097 35.8067479092689, 139.665496888598 35.8074011607562, 139.66557398791 35.8080502641273, 139.662811332514 35.8082568017817, 139.662409026802 35.8082883516295, 139.662399365192 35.8082891095078, 139.661870205269 35.8083306055462, 139.660473623529 35.8084347165985, 139.660333015755 35.807140170207, 139.660322345555 35.8070412935082, 139.660204238435 35.805970165467, 139.660019342079 35.8042891207289, 139.665084061438 35.8039046118181, 139.665270868709 35.8055797892399)) ^^http://www.opengis.net/ont/geosparql#wktLiteral