メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.135979886592 37.8062639223489, 139.134698299214 37.8074000867507, 139.133276942529 37.8051489864196, 139.132882497259 37.8044968765389, 139.134577011454 37.802944745481, 139.136454686701 37.8042329195455, 139.137452184368 37.8049170815386, 139.137152489461 37.805175217058, 139.136647907018 37.8048435869516, 139.135141166833 37.8062424129197, 139.135979886592 37.8062639223489)) ^^http://www.opengis.net/ont/geosparql#wktLiteral