メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.025736315025 38.5982047195517, 141.027391200203 38.5979616627124, 141.027555152684 38.5982712163514, 141.02771514546 38.5986491878146, 141.027781584558 38.5993298255421, 141.027765904761 38.5995007435797, 141.02770781251 38.5996670869873, 141.027562971882 38.5998508908185, 141.026723487566 38.6008028990728, 141.026608712934 38.6008042173342, 141.024252647581 38.6008140490279, 141.024248431484 38.6007042575848, 141.024044441967 38.5999478300878, 141.023853024998 38.5992381160195, 141.023524006222 38.5992956687366, 141.023577294098 38.5983287913209, 141.024247487852 38.5982687041234, 141.024549587187 38.5982494827407, 141.025047129775 38.5982127624205, 141.025736315025 38.5982047195517)) ^^http://www.opengis.net/ont/geosparql#wktLiteral