メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.219371679152 36.6341160255804, 137.219169391803 36.6351830117936, 137.217935169284 36.635054215228, 137.218128068859 36.6339709001299, 137.217949825007 36.6339497144577, 137.218025611574 36.633367194401, 137.218789263853 36.633378476994, 137.219491354108 36.633382386904, 137.219371679152 36.6341160255804)) ^^http://www.opengis.net/ont/geosparql#wktLiteral