メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.168924697552 34.6668392875876, 135.168981684536 34.6673527428012, 135.168325817181 34.6674035904186, 135.168239192326 34.6674102423531, 135.16776875758 34.6674467140285, 135.16773601779 34.6671742393813, 135.167709095188 34.6669377842158, 135.167675986383 34.6666130457475, 135.167657661512 34.6664333053105, 135.168230800938 34.6663876772814, 135.168237369015 34.6663872039734, 135.168870597355 34.6663415884849, 135.168924697552 34.6668392875876)) ^^http://www.opengis.net/ont/geosparql#wktLiteral