メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.999205681167 35.060472028226, 133.997858482675 35.0605536483258, 133.997825597396 35.060217616965, 133.997789360103 35.0598474888147, 133.999141366465 35.0597555997427, 133.999205681167 35.060472028226)) ^^http://www.opengis.net/ont/geosparql#wktLiteral