メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.2980008952 35.7231475621439, 139.297996886241 35.7232694889246, 139.297943711558 35.724565223615, 139.297336211366 35.7245376382361, 139.296725391572 35.7245092408806, 139.296471628523 35.7244914351324, 139.295918107445 35.7244119399324, 139.295413326064 35.7243013777501, 139.294859719703 35.7241771797126, 139.295114547002 35.7233872033381, 139.295255902073 35.722918682714, 139.296427304311 35.7228515578126, 139.2980099023 35.7227493408955, 139.2980008952 35.7231475621439)) ^^http://www.opengis.net/ont/geosparql#wktLiteral