メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.418095225149 34.8890490203054, 135.418536284302 34.8890545579877, 135.420443711916 34.8890278589857, 135.420442631889 34.8897333884954, 135.420451689113 34.8908558557086, 135.420473507506 34.8912965652933, 135.41909162017 34.891316126488, 135.418171079783 34.891310182987, 135.416710370829 34.8913280314051, 135.416712194632 34.8908896497013, 135.416680104529 34.8897658520799, 135.416663982262 34.8886861423212, 135.417645440451 34.8886741451031, 135.418098034488 34.8886795800789, 135.418095225149 34.8890490203054)) ^^http://www.opengis.net/ont/geosparql#wktLiteral