メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.143391954784 34.6504967445611, 135.143175942837 34.6507190459905, 135.14303026244 34.6508822826473, 135.143011304793 34.650895931034, 135.1429275562 34.6509776218252, 135.142846600272 34.6510660551469, 135.142649433609 34.6512634394573, 135.142196644121 34.6509757188041, 135.141845283457 34.6507414121444, 135.142220747279 34.6503693083157, 135.142388178761 34.6501991669098, 135.142601465598 34.6499768849604, 135.143391954784 34.6504967445611)) ^^http://www.opengis.net/ont/geosparql#wktLiteral