メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.272767952053 43.1623513635228, 141.279114591512 43.1671654694263, 141.277521552264 43.1669221533195, 141.275747602755 43.1668970504144, 141.268478674657 43.1669597160984, 141.267120897992 43.1669429733802, 141.257637035229 43.1669135166907, 141.256920951922 43.1664045271261, 141.255973270342 43.1657572292039, 141.25231801011 43.1629604256871, 141.249623046488 43.1608358243983, 141.248635239052 43.1601710626197, 141.247513468683 43.159068960058, 141.250628377841 43.1568498449178, 141.253082008807 43.158627305436, 141.254940418692 43.1572765131083, 141.257548442769 43.1592225834869, 141.25982139008 43.1609483087149, 141.2622441155 43.1627697424381, 141.264423882037 43.1612273486838, 141.264749702468 43.1609909730124, 141.267818756194 43.1587415017066, 141.269842984332 43.1601675589763, 141.270355187819 43.1605716283852, 141.272276724439 43.1620217485915, 141.272735096993 43.1623753457224, 141.272767952053 43.1623513635228)) ^^http://www.opengis.net/ont/geosparql#wktLiteral