メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.601976477453 35.4241257774339, 139.602411975285 35.4250063987387, 139.602739468836 35.425671327917, 139.602364879709 35.4258047924675, 139.601762035817 35.42601390421, 139.601636112173 35.4256973736931, 139.601592696087 35.4255115588434, 139.601509826736 35.4253042613324, 139.601279832974 35.4246661005062, 139.60120244609 35.4243911045135, 139.600959116314 35.4236558437853, 139.600831483222 35.4232701221007, 139.60117535973 35.4231937475344, 139.601321208116 35.423155897581, 139.601502355966 35.4231088197033, 139.601976477453 35.4241257774339)) ^^http://www.opengis.net/ont/geosparql#wktLiteral