メタデータ名 indicator-J3207
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.4687500 34.8166667, 136.4750000 34.8166667, 136.4750000 34.8208334, 136.4687500 34.8208334, 136.4687500 34.8166667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral