メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.758269217055 35.4133992672514, 136.757791774796 35.4133894223417, 136.757749034494 35.4133872359285, 136.757696388611 35.4128586601073, 136.757724619408 35.4128553398478, 136.75772484662 35.412810271638, 136.757696637494 35.4128092968959, 136.757668657517 35.4125753009784, 136.757667925117 35.4125414967772, 136.757901669502 35.4125262636175, 136.757932133672 35.4127113950098, 136.758170988968 35.4126977991804, 136.758170812902 35.4127327612833, 136.758195950022 35.4127287265344, 136.758199242585 35.4127410964186, 136.758250000609 35.4132264984164, 136.758207208791 35.4132345570613, 136.758209570588 35.4132695294978, 136.758249783266 35.4132696647271, 136.758249265607 35.4133724760799, 136.758269217055 35.4133992672514)) ^^http://www.opengis.net/ont/geosparql#wktLiteral