メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.85435609442 43.3270020566962, 141.854566857474 43.3277218137204, 141.854149999421 43.3277869770341, 141.8536889529 43.3278589473222, 141.853224699121 43.3279313978894, 141.852731008854 43.3280085263821, 141.852688923685 43.3278629435855, 141.852635650876 43.3278112788118, 141.852570137576 43.3277683629018, 141.852514249437 43.3277451018213, 141.852452657999 43.327289025386, 141.852350009957 43.3267777406227, 141.852175715373 43.3260458712306, 141.852695192132 43.3259677080703, 141.853128470551 43.3259057711227, 141.85357683324 43.3258346719723, 141.85400857045 43.3257687176576, 141.85435609442 43.3270020566962)) ^^http://www.opengis.net/ont/geosparql#wktLiteral