メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.376620027129 43.0955774776125, 141.376633536668 43.095579056851, 141.377301590398 43.0956723351086, 141.377676998158 43.0957211164916, 141.377829642598 43.095744290231, 141.378392920008 43.0958160184745, 141.378271131552 43.0964580131845, 141.378189223955 43.096866476598, 141.37806035561 43.0974864041311, 141.377140069959 43.09725133074, 141.377007941398 43.097209183604, 141.376299911659 43.0970240336975, 141.375758859028 43.096961255529, 141.375587597395 43.0969378666854, 141.375281944637 43.0968965024737, 141.374753754225 43.0968337475871, 141.374869623687 43.0963738570525, 141.374970445241 43.0959798169167, 141.375107565901 43.0954157951823, 141.376620027129 43.0955774776125)) ^^http://www.opengis.net/ont/geosparql#wktLiteral