メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.883313709525 35.1212669221515, 136.883380909927 35.1216614546798, 136.883426607849 35.1219664976054, 136.883488237697 35.1223490448397, 136.882472071074 35.1223633772975, 136.881069937725 35.1223657868146, 136.881073588942 35.1219657885479, 136.881076823448 35.1216111426224, 136.881079809069 35.121284946839, 136.881544472104 35.1212868387137, 136.882437903993 35.1212903914029, 136.882979315274 35.1212831652505, 136.883313709525 35.1212669221515)) ^^http://www.opengis.net/ont/geosparql#wktLiteral