メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.177610443849 34.6824809801992, 135.177863165785 34.6826505080053, 135.178148831766 34.6828400899054, 135.178087032363 34.6829001012072, 135.177992138653 34.6829921751808, 135.177821987809 34.6831623832119, 135.177578727523 34.683387186886, 135.17734633252 34.6836074073311, 135.17708147369 34.6838548967549, 135.176713643435 34.6836343299733, 135.176491249899 34.6834961414941, 135.177160263979 34.6827477847521, 135.177086148532 34.6827032245913, 135.177285805079 34.682483231624, 135.177409990858 34.6823539096659, 135.177610443849 34.6824809801992)) ^^http://www.opengis.net/ont/geosparql#wktLiteral