メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.856592553898 35.16630306559, 136.856553605959 35.1665895867151, 136.856524758809 35.1668016960353, 136.856521034087 35.1671288703413, 136.856247008502 35.1671154254608, 136.855563392402 35.1672906509696, 136.855572130008 35.1673101798128, 136.855265205228 35.1673160144244, 136.855217511664 35.1663427931534, 136.855206934892 35.166124808019, 136.855434580997 35.166121235955, 136.855436134072 35.1661470139266, 136.856629933845 35.1661192876453, 136.85661965575 35.1661726411484, 136.856592553898 35.16630306559)) ^^http://www.opengis.net/ont/geosparql#wktLiteral