メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.378603461838 34.7639335362015, 137.37913237797 34.7641481368023, 137.379864870922 34.764473519134, 137.379628298664 34.7649222659504, 137.379176177417 34.764878814413, 137.378813245157 34.7648197147627, 137.37822464564 34.7647038133728, 137.377849770509 34.7646216309492, 137.377053705549 34.7644405791689, 137.376481341622 34.7643140768944, 137.375687056072 34.7641431541158, 137.375793564038 34.7637790049505, 137.375985849744 34.7631646930459, 137.377402817324 34.7635806309052, 137.377839847703 34.7637084868496, 137.378603461838 34.7639335362015)) ^^http://www.opengis.net/ont/geosparql#wktLiteral