メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.112545948726 37.8648761142556, 139.112309100371 37.8648555229044, 139.112191099312 37.8648613450184, 139.112122357862 37.864897037963, 139.111669983351 37.8652389575923, 139.111516890755 37.8653558983148, 139.111346366872 37.8654102793868, 139.110920085891 37.865541447343, 139.110781469689 37.8655942549738, 139.110109980274 37.8659520853388, 139.109460103087 37.8663092363263, 139.109010282288 37.8665644077566, 139.108905466217 37.8665649488171, 139.108918244389 37.8665368664971, 139.109106987706 37.8661714018354, 139.109266058669 37.8658633878386, 139.109395659169 37.8656266218728, 139.1094638046 37.8655019576555, 139.109575376736 37.8653028752775, 139.109911594368 37.8651193833703, 139.110062487249 37.8650480711702, 139.110773624523 37.8647293151035, 139.111357236946 37.8644790735228, 139.112472835058 37.8639805421171, 139.112545948726 37.8648761142556)) ^^http://www.opengis.net/ont/geosparql#wktLiteral