メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.715119838491 35.1773863406308, 136.715124030291 35.1774038207914, 136.71531744781 35.1781184035295, 136.715579850297 35.1791938807567, 136.715582911154 35.1792064270608, 136.713861147405 35.1789939938281, 136.713067555402 35.1788961152624, 136.712645110071 35.1788439797732, 136.712759777185 35.1782286965188, 136.712926389991 35.1773013629148, 136.711311676514 35.1771038612842, 136.712206766003 35.1752945318069, 136.712216940981 35.1752694286714, 136.712680323621 35.1753060873203, 136.71464323368 35.1754645889767, 136.714787325227 35.1760081478241, 136.715119838491 35.1773863406308)) ^^http://www.opengis.net/ont/geosparql#wktLiteral