メタデータ名 obsStatus-M
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.1562500 35.2291667, 136.1625000 35.2291667, 136.1625000 35.2333333, 136.1562500 35.2333333, 136.1562500 35.2291667)) ^^http://www.opengis.net/ont/geosparql#wktLiteral