メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.606363798744 33.2425531716817, 131.606371321474 33.2428164283275, 131.606374486532 33.2432735745401, 131.606363003123 33.2436189775846, 131.60633886308 33.2443461879049, 131.606308130426 33.2451866409059, 131.605878375352 33.2451723834444, 131.605458575643 33.2451614053364, 131.605105029398 33.2451595095076, 131.60521476836 33.2442374319746, 131.605267098639 33.2435968021679, 131.605288094873 33.2433111634107, 131.605234598958 33.2429883022752, 131.605187390985 33.2427563575491, 131.605091560228 33.2422817137304, 131.606344459974 33.2422301454865, 131.606363798744 33.2425531716817)) ^^http://www.opengis.net/ont/geosparql#wktLiteral