メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((133.188283878883 33.9203381768399, 133.186974042465 33.9199188265547, 133.18707718645 33.9196407077897, 133.187109327731 33.9196488917189, 133.187682972631 33.9198137723751, 133.18772633972 33.9196622933891, 133.187868931068 33.9196835067692, 133.187846333019 33.919769597504, 133.188113935607 33.9198369131962, 133.188445506925 33.919914322891, 133.188283878883 33.9203381768399)) ^^http://www.opengis.net/ont/geosparql#wktLiteral