メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.839675187637 37.4483524605465, 138.839344208308 37.4490571114866, 138.839106710355 37.4495227029732, 138.839078892485 37.4496434444309, 138.839078480951 37.4499061688891, 138.839076625336 37.4501950885478, 138.839105500015 37.4503031359179, 138.839171100633 37.4505228664116, 138.839468718833 37.451504756575, 138.839147553649 37.4515936800224, 138.838953376108 37.4511795985911, 138.838809799615 37.4508402137056, 138.838759017473 37.450720181852, 138.838682682146 37.4505721438739, 138.838533097263 37.4502557862196, 138.838521862519 37.4502118905056, 138.838380289024 37.4499245156626, 138.83836597731 37.4498980846806, 138.838364315446 37.4498768309843, 138.838292720232 37.4497324393759, 138.838241795441 37.4496195263504, 138.83818431117 37.4494562288944, 138.838136285055 37.4492905109161, 138.838186853661 37.4489699176222, 138.838221987578 37.4487172278737, 138.83841358525 37.4482153051479, 138.83857222336 37.447737271093, 138.838779429837 37.4471975712132, 138.838830859152 37.4470447991356, 138.839472789241 37.447288211869, 138.840150947857 37.4475371482142, 138.839876944299 37.4480011569798, 138.839675187637 37.4483524605465)) ^^http://www.opengis.net/ont/geosparql#wktLiteral