メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.28190189172 43.0784337717788, 141.282055115714 43.0785736153146, 141.282228457283 43.0787215766283, 141.282762375855 43.0792278853771, 141.282352282553 43.0794920237565, 141.282027811615 43.0797107485404, 141.281713067116 43.0799087363469, 141.281528896794 43.080015626847, 141.281199845796 43.0802262924536, 141.280663767681 43.0805874681036, 141.280317581508 43.0802903511338, 141.27988602841 43.0799128958728, 141.279591183021 43.0796520084316, 141.279528979258 43.0796054155483, 141.279254406315 43.0793551072343, 141.280374721732 43.0787600488762, 141.280852452375 43.0785023278068, 141.281522252143 43.0780863703057, 141.28190189172 43.0784337717788)) ^^http://www.opengis.net/ont/geosparql#wktLiteral