メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.229262770017 35.5021678474383, 134.228650039692 35.5016551510413, 134.229604285358 35.5008892355149, 134.229998113306 35.501177838366, 134.230300477134 35.5014072793907, 134.229919535213 35.5017222621238, 134.229876500512 35.5016782127255, 134.229262770017 35.5021678474383)) ^^http://www.opengis.net/ont/geosparql#wktLiteral