メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.401686779136 43.050777787222, 141.4026948299 43.0516923021939, 141.402833684703 43.0518183066486, 141.403238412213 43.0521854008346, 141.40352410348 43.0524639114874, 141.402832261593 43.0528420946291, 141.40211854416 43.0532133589102, 141.401700771522 43.0534174567431, 141.40121090288 43.0528538577622, 141.400732229607 43.0523136885252, 141.400451385127 43.0519906177678, 141.40005621282 43.0515717506186, 141.399817040883 43.0511064275082, 141.399699009824 43.0508897077595, 141.399557164185 43.0507031928246, 141.399484710612 43.050630495944, 141.399224882915 43.0503698201736, 141.399893937819 43.0500165966021, 141.400471291678 43.0496994720335, 141.401591686566 43.0506914906975, 141.401686779136 43.050777787222)) ^^http://www.opengis.net/ont/geosparql#wktLiteral