メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.603263822563 35.4261668175542, 139.603847971167 35.426710304442, 139.603564664264 35.4269202458445, 139.603128667411 35.4272354531859, 139.602423048202 35.4266184934711, 139.601762035817 35.42601390421, 139.602364879709 35.4258047924675, 139.602739468836 35.425671327917, 139.603263822563 35.4261668175542)) ^^http://www.opengis.net/ont/geosparql#wktLiteral