メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.283188505413 34.7147937120218, 135.283167059929 34.7148276847272, 135.282832887627 34.7154387881141, 135.282506771349 34.7160385593343, 135.281924689472 34.7157343453563, 135.28149631129 34.7155055557804, 135.281457847743 34.7154833187476, 135.280609311077 34.7150279243189, 135.28048292865 34.7149545368443, 135.28032364422 34.7148678832708, 135.280147857644 34.7147700895032, 135.281018143367 34.7135440691169, 135.281313725518 34.7131383564772, 135.281533072579 34.7132267943595, 135.28356223929 34.7140628534423, 135.283188505413 34.7147937120218)) ^^http://www.opengis.net/ont/geosparql#wktLiteral