メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.475269420497 36.3948317792896, 136.473574790836 36.3953360961258, 136.473447396511 36.3953580580563, 136.471577183031 36.3959040522385, 136.470825192564 36.396106982891, 136.470718362291 36.3942412496464, 136.470846691602 36.394260942368, 136.471217018787 36.395125124706, 136.473177120616 36.3945666350285, 136.473861733981 36.3943769140316, 136.475013635447 36.3940542767649, 136.475020064293 36.3940756815868, 136.475085586473 36.3943231533159, 136.475269420497 36.3948317792896)) ^^http://www.opengis.net/ont/geosparql#wktLiteral