メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.943714208259 35.2439686752163, 136.943748447244 35.2442710400888, 136.943803010922 35.244792580319, 136.943489795702 35.2448128736918, 136.942886562361 35.2448460349256, 136.941801214947 35.2449230563692, 136.940368239626 35.2450074075375, 136.940335599546 35.2445503990346, 136.940224170036 35.2439726964437, 136.9401311105 35.2434574174193, 136.940954121503 35.2433516399031, 136.941435397834 35.2432901072993, 136.942604726355 35.2431491633772, 136.943610960195 35.2430205262382, 136.943714208259 35.2439686752163)) ^^http://www.opengis.net/ont/geosparql#wktLiteral