メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.356533306046 43.0898495632874, 141.35650594779 43.0900085725403, 141.356426178846 43.0903203469345, 141.355451465213 43.0901857876593, 141.354878642003 43.0901097136965, 141.354954446445 43.089787359548, 141.354969972711 43.0897161679698, 141.354999551352 43.0896158297811, 141.355049327102 43.0893740092201, 141.355225008464 43.0886640138022, 141.356771708822 43.088883709715, 141.356533306046 43.0898495632874)) ^^http://www.opengis.net/ont/geosparql#wktLiteral