メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.180280033097 35.359423485129, 137.180437295363 35.3595625531016, 137.180631643866 35.3597607718307, 137.181220846797 35.3605804957689, 137.180922743165 35.3605039792597, 137.180784469149 35.3608083610025, 137.180651239718 35.3610196427555, 137.180453253617 35.3609297338198, 137.180336375438 35.3608858727061, 137.179417312351 35.3607315284807, 137.17906951888 35.3605531109402, 137.179189703951 35.3602050015251, 137.179425405915 35.3596763180528, 137.179751816814 35.3590734695859, 137.180280033097 35.359423485129)) ^^http://www.opengis.net/ont/geosparql#wktLiteral