メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.23482804848 35.4982882834927, 134.235166598827 35.4985515035179, 134.234074300445 35.4994526007563, 134.233706947771 35.4991705821043, 134.233363920956 35.4988754484283, 134.234111953203 35.49829467077, 134.234226945492 35.4983748679988, 134.234278061121 35.4983957902961, 134.234619392964 35.4981139986877, 134.23482804848 35.4982882834927)) ^^http://www.opengis.net/ont/geosparql#wktLiteral