メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.965255061553 37.2264732867626, 138.964558946661 37.2264725082181, 138.964553956699 37.2263838248343, 138.964066197721 37.226378703023, 138.964136000058 37.2261904612169, 138.963909534133 37.2261346081654, 138.963948738432 37.2260246304359, 138.964130682085 37.2260486957056, 138.964159001168 37.2259652303345, 138.964557953279 37.2259530988886, 138.964571790333 37.2260416086677, 138.965248082167 37.2260548538965, 138.965255061553 37.2264732867626)) ^^http://www.opengis.net/ont/geosparql#wktLiteral