メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.012647812686 35.468952317188, 137.012615001056 35.4689959013644, 137.012604532662 35.4693864074978, 137.012376832355 35.469356812482, 137.012334213086 35.4693513696024, 137.012334310821 35.4692993629951, 137.012326112364 35.4692473111989, 137.012326214407 35.46919301596, 137.012345643537 35.4691545566232, 137.012464825594 35.4690054205945, 137.012489788517 35.4689647150651, 137.012566496044 35.4689571750002, 137.012648017036 35.4689520371241, 137.012647812686 35.468952317188)) ^^http://www.opengis.net/ont/geosparql#wktLiteral