メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.777027949623 35.3797684649553, 136.777029235668 35.3797333992124, 136.777981693076 35.380257888725, 136.777981272502 35.3802647884798, 136.777968784806 35.3805730546902, 136.777941394991 35.3813341556634, 136.777941301609 35.3813354939397, 136.777940654575 35.3813540129034, 136.777932208218 35.3815818702046, 136.777924254444 35.3815815632534, 136.776935808162 35.3815456877381, 136.775416883065 35.3814904728249, 136.774046981018 35.3814422757477, 136.774119902189 35.379669420087, 136.776041154105 35.3797335704081, 136.777027949623 35.3797684649553)) ^^http://www.opengis.net/ont/geosparql#wktLiteral