メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.329851907765 35.9450838099739, 139.329722511365 35.9452030341015, 139.329495227122 35.9454434931218, 139.328700043724 35.9449428228025, 139.328783240995 35.9448986169467, 139.329028951002 35.9447628785327, 139.329177342213 35.9446930480934, 139.329526584444 35.9445214809917, 139.329654177491 35.9447480454655, 139.329779240304 35.9449701650924, 139.329851907765 35.9450838099739)) ^^http://www.opengis.net/ont/geosparql#wktLiteral