メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.84101479565 35.412214681149, 136.840999844764 35.4124147427171, 136.840832461315 35.4143171106187, 136.840716094902 35.4158680346415, 136.839384314052 35.4158090960122, 136.838198460016 35.4158551491522, 136.838203024865 35.4157842823552, 136.838326494943 35.4141889408279, 136.838508561912 35.412044155135, 136.838524913947 35.4116527282257, 136.838606743425 35.4116570340122, 136.841015349968 35.411791767661, 136.841019580589 35.4120294507973, 136.84101479565 35.412214681149)) ^^http://www.opengis.net/ont/geosparql#wktLiteral