メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.696133120938 35.4421009780648, 136.696121179152 35.4425264435126, 136.696122971102 35.4429356242177, 136.696113068436 35.4433731038313, 136.694808563183 35.4433628657703, 136.694790851154 35.4426157849298, 136.695182833645 35.4425889732948, 136.695127584141 35.4421546557316, 136.695059373421 35.4416042349767, 136.69613968867 35.4415121889544, 136.696133120938 35.4421009780648)) ^^http://www.opengis.net/ont/geosparql#wktLiteral