メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.625343331276 40.4917179019495, 141.625163085397 40.4917897501715, 141.624815613119 40.4920067384307, 141.624689857009 40.4917120893359, 141.624536926116 40.491402602788, 141.624411505738 40.4912068782989, 141.624121926489 40.4908598792209, 141.623973980251 40.490652908972, 141.623785498213 40.4904861123562, 141.623694524784 40.490367088343, 141.623312312991 40.4897585951862, 141.623289142843 40.4896846983199, 141.623287673114 40.4895593264238, 141.623298965344 40.4895083082824, 141.623333705775 40.4893510600567, 141.623416959033 40.4891339535443, 141.623772854383 40.4884577359623, 141.624440963018 40.4891553823359, 141.624928000428 40.4894531769855, 141.625375065568 40.489595819857, 141.626024888878 40.4896690594989, 141.627588483243 40.4896362946982, 141.627571845137 40.489655617827, 141.627257184029 40.4900197242561, 141.627106182397 40.4901720744209, 141.6269811766 40.4903484861499, 141.626882738109 40.4904646633405, 141.626711930596 40.4906021290365, 141.626570476015 40.4907983177202, 141.62642416271 40.490965624527, 141.626160279087 40.4911661054448, 141.626034997455 40.4913194388503, 141.625924348819 40.4914241587999, 141.625792221269 40.4915128424363, 141.625581735931 40.4916228586253, 141.625343331276 40.4917179019495)) ^^http://www.opengis.net/ont/geosparql#wktLiteral