メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((132.55992515291 33.2235553454222, 132.559162228194 33.2232153217768, 132.559169889782 33.222952763067, 132.559169166731 33.2227612731856, 132.560137075368 33.2232209486235, 132.55992515291 33.2235553454222)) ^^http://www.opengis.net/ont/geosparql#wktLiteral