メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.334864112435 43.0531101861929, 141.334855714653 43.0531782681495, 141.334833239672 43.0533610151665, 141.334810721306 43.0535531861978, 141.334795990372 43.0536795209323, 141.334784233203 43.0537800684308, 141.334712699274 43.0543916436145, 141.334249654458 43.0543608600867, 141.332962561314 43.0542750138789, 141.333046405952 43.0536622019529, 141.333043813189 43.0536431919968, 141.333075784685 43.0534284513425, 141.333097754441 43.0532606110044, 141.333099000291 43.053222080011, 141.333161771804 43.052768255449, 141.334892796605 43.0528774844652, 141.334864112435 43.0531101861929)) ^^http://www.opengis.net/ont/geosparql#wktLiteral