メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.730718258559 35.4393731004515, 136.731687686285 35.4395832360406, 136.731688895239 35.4396224288075, 136.731724825031 35.4399575393777, 136.731753175271 35.4400859444871, 136.731770165975 35.4401667755296, 136.731373385572 35.4401539402511, 136.73118569616 35.4400779522303, 136.729433198662 35.4398274502241, 136.729494289969 35.4395969794458, 136.729402043895 35.4395818923896, 136.72950024935 35.4391870583056, 136.730718258559 35.4393731004515)) ^^http://www.opengis.net/ont/geosparql#wktLiteral