メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.602304119652 33.2446527038425, 131.602285804565 33.2446958348064, 131.602116105834 33.2451812402287, 131.601992281778 33.245528785998, 131.601724433635 33.2463536361449, 131.601644006303 33.2463677065673, 131.601073093947 33.246467657343, 131.600451427441 33.2465630760438, 131.600642247596 33.2460995513231, 131.600730787571 33.2458320616033, 131.600899792423 33.2452564912569, 131.60123047482 33.2444065259518, 131.601238946983 33.2443829394665, 131.601525537441 33.2435833611801, 131.602182239493 33.2436975594603, 131.602519265739 33.2437666442784, 131.602434824523 33.244178142992, 131.602304119652 33.2446527038425)) ^^http://www.opengis.net/ont/geosparql#wktLiteral