メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.165927905799 35.0679029510617, 137.165949122766 35.0682053591484, 137.165968791765 35.068410439775, 137.165953479215 35.0685579086811, 137.165926037009 35.0690651832077, 137.163333479218 35.0689999973455, 137.163355171761 35.0684993414744, 137.163246476219 35.0676988040659, 137.163244078635 35.0676811264608, 137.163302624869 35.0676859895388, 137.163544960448 35.067706145136, 137.163726894911 35.067719043042, 137.163975061362 35.0677711706944, 137.164557708469 35.0677993694638, 137.165345418926 35.0678085585772, 137.16591163458 35.067725337571, 137.165927905799 35.0679029510617)) ^^http://www.opengis.net/ont/geosparql#wktLiteral