メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.487024960312 34.0753570651081, 134.486851609821 34.075925333954, 134.486689758625 34.0764558979652, 134.486453906812 34.0771161926875, 134.485247133395 34.0768901151918, 134.485407818844 34.0762216204691, 134.485726531005 34.0751739170345, 134.48593863313 34.0745091653775, 134.48721725622 34.0746423220828, 134.487024960312 34.0753570651081)) ^^http://www.opengis.net/ont/geosparql#wktLiteral