メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.571192239047 34.6744933964835, 135.571824737129 34.6744736437233, 135.572038415956 34.6744663646481, 135.57201115461 34.6753612965252, 135.572013599458 34.6758329061842, 135.572025926514 34.6762725758084, 135.571812270805 34.6762745018526, 135.571278589169 34.6762817843591, 135.569797960058 34.6763215065166, 135.568610692463 34.6763681658012, 135.568594211892 34.6759273540242, 135.568565874984 34.6754711476041, 135.568544228278 34.6750401781761, 135.568522625699 34.6745924471269, 135.569701378789 34.6745473086882, 135.571192239047 34.6744933964835)) ^^http://www.opengis.net/ont/geosparql#wktLiteral