メタデータ名 indicator-I521121
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.6125000 31.7000000, 130.6187500 31.7000000, 130.6187500 31.7041667, 130.6125000 31.7041667, 130.6125000 31.7000000)) ^^http://www.opengis.net/ont/geosparql#wktLiteral