メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.214284108728 36.6771377391957, 137.214299199629 36.6777696207492, 137.21430988769 36.6784065005878, 137.214312749148 36.6784923227849, 137.214318360619 36.6790039551072, 137.213071861765 36.679007763534, 137.212652763341 36.6790018046333, 137.211753189114 36.6790084921049, 137.211611273891 36.6790095326492, 137.211051009152 36.6790226300631, 137.210990709327 36.6782147565868, 137.210910685435 36.6772273531968, 137.2108895536 36.6767157968255, 137.211579197186 36.6766937085207, 137.21304761544 36.6766706047857, 137.214258790927 36.6766409696501, 137.214284108728 36.6771377391957)) ^^http://www.opengis.net/ont/geosparql#wktLiteral