メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.860312338813 35.130269951857, 136.861463386274 35.1303023771232, 136.861484314937 35.1299250778015, 136.861511258214 35.1295322297201, 136.861758952576 35.1295380675105, 136.861764008085 35.1295382209195, 136.861758583006 35.1298328768994, 136.861616456544 35.1314271434945, 136.861382616864 35.131428735144, 136.860753838516 35.1314329903005, 136.860289932826 35.1314361099885, 136.859910132684 35.1314133843236, 136.858955821079 35.131434798781, 136.85892538708 35.1314354975306, 136.858943210245 35.1309866350589, 136.858959045716 35.1306219980083, 136.858967444852 35.1304283427792, 136.858979416627 35.1302363857705, 136.860312338813 35.130269951857)) ^^http://www.opengis.net/ont/geosparql#wktLiteral