メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.747467896575 35.1612449837382, 136.742968647002 35.1618764010903, 136.747820016733 35.1588831622278, 136.748324114046 35.1587416550116, 136.748379604942 35.1587314232881, 136.748332016105 35.1589562540669, 136.748402030259 35.1590486046977, 136.748362739847 35.1592102966238, 136.748312871871 35.1594028670236, 136.748323962688 35.1597397273144, 136.74786802703 35.1596026732843, 136.747664494373 35.1600854824866, 136.74757551091 35.1602548898987, 136.747408110237 35.1604978984191, 136.747300651627 35.1607328740772, 136.747465790703 35.160870902982, 136.747497932685 35.1611657231205, 136.747467896575 35.1612449837382)) ^^http://www.opengis.net/ont/geosparql#wktLiteral