メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.350428978371 43.051015920338, 141.350766281578 43.051060661155, 141.351176402544 43.0511157882406, 141.35113589173 43.0513024766754, 141.351133804612 43.0513117487675, 141.351096719 43.0514764464634, 141.351047488782 43.0516954887338, 141.350921097088 43.0522730284948, 141.349945510308 43.052134684448, 141.349391676673 43.0520566200679, 141.349516380765 43.0514905321946, 141.349569424571 43.0508866055219, 141.349695238161 43.0509065849949, 141.349689274146 43.0509407176876, 141.349950792084 43.0509470668423, 141.350158696113 43.0509800687783, 141.350428978371 43.051015920338)) ^^http://www.opengis.net/ont/geosparql#wktLiteral