メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.930899334722 35.1415802595758, 136.930863998538 35.1420616147759, 136.930818513869 35.1425757685745, 136.930771248428 35.1431799212816, 136.929869296922 35.1431309481179, 136.929902098774 35.1425202172557, 136.929721482145 35.1425092942763, 136.929666876522 35.1425060162232, 136.929701199104 35.1419929675643, 136.929736193442 35.1415138657213, 136.929770203851 35.1411001153985, 136.930938741506 35.1411669422935, 136.930899334722 35.1415802595758)) ^^http://www.opengis.net/ont/geosparql#wktLiteral