メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.61870641356 32.4996318051827, 130.619028388797 32.4996377902389, 130.61920782214 32.499653344614, 130.618914928859 32.5006534969736, 130.618780752883 32.5009943087842, 130.618548405921 32.5013989704722, 130.618371928621 32.5013325540725, 130.618215859051 32.5012768740558, 130.617651007921 32.5011082687922, 130.617405162986 32.5010387498541, 130.616841744638 32.5009052323533, 130.616430988099 32.5008168516535, 130.615852556778 32.5007142140176, 130.614617898731 32.5006116983139, 130.614402313805 32.499629781553, 130.614604669418 32.4996118773122, 130.61870641356 32.4996318051827)) ^^http://www.opengis.net/ont/geosparql#wktLiteral