メタデータ名 G20493016532
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.355232743742 44.4864468463738, 142.354474822251 44.4879878446834, 142.351124799911 44.487172248865, 142.351892401498 44.4856119988075, 142.354057250317 44.4861530679018, 142.355232743742 44.4864468463738)) ^^http://www.opengis.net/ont/geosparql#wktLiteral