メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.087397998793 37.9279692011356, 139.087255700586 37.9279850257509, 139.086836583108 37.9280363776285, 139.086447010401 37.9280981416006, 139.086134351611 37.9281424873163, 139.085774197184 37.9281935399537, 139.0854859982 37.9282235449573, 139.08520437401 37.928258724621, 139.085018142001 37.9283322896203, 139.084910354218 37.928379561064, 139.084796197855 37.9284527697736, 139.084696740554 37.9285195680841, 139.084465262246 37.9286764162562, 139.084177877999 37.9288101706333, 139.083052237826 37.926583734031, 139.082999309834 37.926487135523, 139.083294143276 37.9265163747701, 139.084230364713 37.9266090446744, 139.084152289257 37.9268969092, 139.086117379701 37.927315184665, 139.087498458194 37.9275528834899, 139.087397998793 37.9279692011356)) ^^http://www.opengis.net/ont/geosparql#wktLiteral