メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.237800618904 34.8284218222823, 137.238797692314 34.827767601438, 137.239180644291 34.8280941752999, 137.239358409059 34.8282067586523, 137.239618162761 34.8283080221267, 137.239891603339 34.8284318155837, 137.240042066188 34.8285782234187, 137.240137853225 34.8287133957415, 137.240178998909 34.8288711405675, 137.240209203043 34.8289586708468, 137.239427383592 34.8289279512834, 137.236782811898 34.8295109705495, 137.236790152202 34.8294141217188, 137.236776339963 34.8292450908744, 137.236789880384 34.8290985823603, 137.236694262667 34.8291549853227, 137.236666005391 34.8280844223204, 137.237253822027 34.8282643802252, 137.237800618904 34.8284218222823)) ^^http://www.opengis.net/ont/geosparql#wktLiteral