メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.190719697814 35.3674605175056, 137.191856124403 35.3675303004066, 137.192702582698 35.3675786529571, 137.192922259783 35.3676922711003, 137.192761257196 35.3679966014695, 137.192228483968 35.368897488556, 137.192109925924 35.3690973725397, 137.191290958247 35.3685833733508, 137.19063020424 35.3681704673943, 137.190398636655 35.3680235374194, 137.189899655994 35.3674234140599, 137.189963898469 35.3674144586765, 137.190719697814 35.3674605175056)) ^^http://www.opengis.net/ont/geosparql#wktLiteral