メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.05646843044 39.3843258069194, 140.055934501537 39.384437761286, 140.055775173404 39.3841164859111, 140.055917421443 39.384076750231, 140.056025834662 39.3840465022063, 140.056288044747 39.3839733569967, 140.05646843044 39.3843258069194)) ^^http://www.opengis.net/ont/geosparql#wktLiteral