メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.783881431384 35.4537100440386, 136.783882001172 35.4536620548838, 136.783570363454 35.4536543429208, 136.783610777312 35.4535705656175, 136.783601208724 35.4534825098045, 136.783571627917 35.4533861880865, 136.783519888264 35.4532161358402, 136.783479227514 35.4530880520798, 136.783455109204 35.452901710937, 136.783435401069 35.4528018264412, 136.783406237781 35.4526538497183, 136.783615204269 35.4525974346085, 136.783716545073 35.452560044831, 136.783910047264 35.4524886873798, 136.784031520073 35.452425481104, 136.784084169456 35.4523659654696, 136.784176402139 35.4524257275062, 136.784309090087 35.452438717855, 136.784460634765 35.4526684537553, 136.784582319039 35.4528612645578, 136.784680546171 35.4530374881464, 136.784764647503 35.4531883512353, 136.784165430459 35.4534188758301, 136.784238265549 35.4536237117573, 136.784066978699 35.4536649991354, 136.783942088249 35.453695412018, 136.783881431384 35.4537100440386)) ^^http://www.opengis.net/ont/geosparql#wktLiteral