メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.159194132033 35.0899747621063, 137.159287033428 35.0902355609265, 137.159357290978 35.0902169744977, 137.159470583092 35.0905485533326, 137.159338023324 35.0905735437106, 137.159045606905 35.090596124287, 137.158492564872 35.0906649497639, 137.157710949766 35.0908834067847, 137.157428857345 35.0901307266324, 137.157301513958 35.0897913269764, 137.157706040149 35.089700095862, 137.158067740355 35.0896057608231, 137.15821514367 35.0895409114881, 137.158684246831 35.0894009485037, 137.159075224025 35.0893236553404, 137.15925541089 35.089298529764, 137.159307526699 35.0894736859605, 137.159384552922 35.0896841275931, 137.159484259708 35.0898890785454, 137.159194132033 35.0899747621063)) ^^http://www.opengis.net/ont/geosparql#wktLiteral