メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.696116722325 35.4438321493732, 136.696117184869 35.4442920270138, 136.696107941534 35.4448008788624, 136.696098533064 35.4453285952153, 136.69427747742 35.4453099939333, 136.693679178966 35.4452914159374, 136.693702575664 35.443889742786, 136.693719325426 35.4433577179997, 136.694175179765 35.4433646806914, 136.694312795096 35.4433609247965, 136.694808563183 35.4433628657703, 136.696113068436 35.4433731038313, 136.696116722325 35.4438321493732)) ^^http://www.opengis.net/ont/geosparql#wktLiteral