メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.091627443197 35.1388202558822, 136.090749352119 35.1384539478093, 136.090965683502 35.1381560192623, 136.091282888256 35.137764062567, 136.091487696418 35.13748565066, 136.091552533481 35.1375136290371, 136.09195860478 35.1376956451719, 136.092297789614 35.1378193288966, 136.092484996144 35.1378901710282, 136.092281977107 35.1381853455187, 136.092096678205 35.1380966835042, 136.091714071108 35.138596162671, 136.091768236565 35.1386171773564, 136.091627443197 35.1388202558822)) ^^http://www.opengis.net/ont/geosparql#wktLiteral