メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.861411816234 43.335712589869, 141.861550339443 43.3362194109208, 141.860767148436 43.3363470028596, 141.860687466817 43.336099605586, 141.860494970504 43.3361246211494, 141.860436731612 43.3359109128239, 141.860585169004 43.3358864499985, 141.860577867069 43.3358488013515, 141.860525492915 43.3356274432231, 141.860610294683 43.3356176747907, 141.860564438759 43.3354329786814, 141.86062794311 43.3354237699268, 141.86055731221 43.3351622614016, 141.861211540719 43.335060815872, 141.861411816234 43.335712589869)) ^^http://www.opengis.net/ont/geosparql#wktLiteral