メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.759268716436 35.0806244971115, 136.75880293565 35.0805175107727, 136.757136987459 35.0801083788759, 136.756543859273 35.0799591224425, 136.756554763943 35.0798595058348, 136.757788333729 35.0800072518087, 136.758363696989 35.0800681286925, 136.759526765107 35.0797649631024, 136.759526200179 35.0798793333502, 136.759449375481 35.0801869794286, 136.759268716436 35.0806244971115)) ^^http://www.opengis.net/ont/geosparql#wktLiteral