メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.95538722209 35.1781975501898, 136.955654254658 35.1782027353827, 136.955657219205 35.1783082357415, 136.955643556455 35.1783175073386, 136.955613043437 35.178970142013, 136.955359299311 35.1789754019134, 136.955363972521 35.1788932254717, 136.954346592927 35.1789220024762, 136.953175725876 35.1789457109167, 136.953147455879 35.178768686672, 136.953081991074 35.1783744803105, 136.953051341451 35.1782052692915, 136.954260932405 35.1782035308371, 136.955126474949 35.1782001212676, 136.955127379753 35.1779504036291, 136.955387210084 35.1779457882462, 136.95538722209 35.1781975501898)) ^^http://www.opengis.net/ont/geosparql#wktLiteral