メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.144259404085 35.0823822294041, 137.144244030906 35.0825375171181, 137.144212185208 35.0826495598199, 137.144047673343 35.0826390982236, 137.142730890339 35.0825439289039, 137.142871101972 35.0813010724249, 137.142076549596 35.0814996981568, 137.141734803922 35.080729568912, 137.141825826704 35.0807095895304, 137.142532041964 35.080556511316, 137.143052299163 35.0804214851451, 137.144028453052 35.0800963375662, 137.144334657698 35.0799906963275, 137.145243076584 35.079694118864, 137.144859833206 35.0802439275205, 137.144503214113 35.0808401497583, 137.144481989477 35.080859724797, 137.14446207422 35.0808977512423, 137.144449544139 35.0810002897324, 137.144259404085 35.0823822294041)) ^^http://www.opengis.net/ont/geosparql#wktLiteral