メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.883134754219 35.153136703548, 136.883615327345 35.1537207318369, 136.882109780016 35.1536684671387, 136.881863848252 35.1536514798435, 136.881691976933 35.1536045955561, 136.881586198803 35.1535448374073, 136.881954858964 35.1531918926023, 136.882316686975 35.1529782281987, 136.882775929865 35.1527071137027, 136.883134754219 35.153136703548)) ^^http://www.opengis.net/ont/geosparql#wktLiteral