メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.37608472762 37.347057827391, 140.375993634089 37.3479226163752, 140.374555784046 37.3478482634991, 140.374636466602 37.3470418129006, 140.374893787066 37.3471180723549, 140.375055763974 37.3471785759733, 140.375209348239 37.3471940619345, 140.375318261134 37.3471773702998, 140.375487424835 37.3471153457133, 140.375624318167 37.3470534674308, 140.37608472762 37.347057827391)) ^^http://www.opengis.net/ont/geosparql#wktLiteral