メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.865791332979 35.176434275673, 136.865939960978 35.1765615443007, 136.865946415754 35.1767783194302, 136.865958065766 35.1771696124458, 136.865052473089 35.1771810277487, 136.863655374615 35.1771928993277, 136.863268379511 35.1771950305857, 136.863127776765 35.1771945383816, 136.8631279196 35.1768071476253, 136.863127986799 35.1766613036163, 136.863128050156 35.1764638398919, 136.863128182385 35.1761260261905, 136.863156142776 35.1761261664373, 136.865044576873 35.1761060864906, 136.86535197305 35.1761034699081, 136.865382214833 35.1760838268324, 136.865791332979 35.176434275673)) ^^http://www.opengis.net/ont/geosparql#wktLiteral