メタデータ名 G20493137214
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.393898318621 44.1709806637931, 142.39307384589 44.1708520468075, 142.393334901758 44.1699655034937, 142.394158427502 44.1701218073369, 142.393898318621 44.1709806637931)) ^^http://www.opengis.net/ont/geosparql#wktLiteral