メタデータ名 S21201906003
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.7437500 35.4250000, 136.7500000 35.4250000, 136.7500000 35.4291667, 136.7437500 35.4291667, 136.7437500 35.4250000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral