メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((129.733639571902 33.002454294764, 129.733797324879 33.0031084994471, 129.734033145301 33.0040448853915, 129.733463528972 33.0038769608527, 129.733193761797 33.0038450048751, 129.732943407328 33.0038746916177, 129.73283150611 33.0038067292175, 129.732719277428 33.0036219004856, 129.732719546487 33.0029904833618, 129.733639571902 33.002454294764)) ^^http://www.opengis.net/ont/geosparql#wktLiteral