メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.843562068606 35.4099839565354, 136.843573969284 35.4106799683821, 136.843578050646 35.4119144707526, 136.841015349968 35.411791767661, 136.838606743425 35.4116570340122, 136.838524913947 35.4116527282257, 136.838551414786 35.4112776635387, 136.838466540597 35.4100134309262, 136.838437945842 35.409521809094, 136.838435291605 35.409476168514, 136.838425722375 35.4092841722685, 136.840992962248 35.4092683527823, 136.843563627409 35.4092512213906, 136.843562068606 35.4099839565354)) ^^http://www.opengis.net/ont/geosparql#wktLiteral