メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.864594808397 36.4441036259828, 139.86480500016 36.4457592364585, 139.863565723064 36.4458620127313, 139.863643407243 36.4463166340393, 139.862630690255 36.4464503573861, 139.86110035553 36.4469644138807, 139.860737008449 36.4455180551483, 139.860310587334 36.4439326866982, 139.862969524839 36.4435920970045, 139.864515455034 36.4433965863502, 139.864594808397 36.4441036259828)) ^^http://www.opengis.net/ont/geosparql#wktLiteral