メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.31434175256 36.3101266786233, 136.314470483264 36.3104241257652, 136.313785693899 36.3105967852999, 136.313601580303 36.3106316976722, 136.313507592111 36.3103954374064, 136.313594881963 36.3103683536278, 136.313513643133 36.3101995665516, 136.313676214643 36.3101536210099, 136.313590395954 36.3100218009627, 136.313782548112 36.3099356868595, 136.313746096913 36.3098479434335, 136.313942079982 36.3097854437246, 136.314056946548 36.3099466761335, 136.31415934759 36.3101870082007, 136.31434175256 36.3101266786233)) ^^http://www.opengis.net/ont/geosparql#wktLiteral