メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.844597295678 35.1008162961558, 138.844759601987 35.1011370531615, 138.843865691127 35.101276864526, 138.843706950096 35.1012995016665, 138.843611063052 35.1013211142021, 138.843369928366 35.1013334200315, 138.843153694626 35.1013628394203, 138.84300096676 35.1011998812072, 138.843313953386 35.101008204012, 138.84343748749 35.1009482707844, 138.84390538882 35.1007215006043, 138.843734468794 35.10040478117, 138.844145978298 35.1002233848717, 138.844597295678 35.1008162961558)) ^^http://www.opengis.net/ont/geosparql#wktLiteral