メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.173618077971 34.2372977823467, 135.173496373147 34.2372986523125, 135.172220863755 34.2372839886643, 135.172230507106 34.237026121206, 135.172523124398 34.237031054762, 135.172539854886 34.2364116199595, 135.172916025203 34.2364143001288, 135.17291675187 34.2369049554044, 135.173127804039 34.2369079289413, 135.173128995996 34.2369421686351, 135.173201759454 34.2369422365706, 135.173201921421 34.2370471856426, 135.173465162006 34.237046848395, 135.173470304649 34.2370935103846, 135.173627354264 34.2370945691509, 135.173618077971 34.2372977823467)) ^^http://www.opengis.net/ont/geosparql#wktLiteral