メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.622897188669 34.6404743983435, 135.622918266187 34.6413369585987, 135.622929441604 34.6415136329606, 135.622938117733 34.6418008765325, 135.622938850302 34.6424692662284, 135.621958854469 34.6424834209859, 135.621733615175 34.6424846945255, 135.621697065639 34.6415130598382, 135.621687894414 34.6413363915458, 135.621693187212 34.6410425704287, 135.621683687083 34.6404961389727, 135.621654628351 34.640072619602, 135.621646230081 34.6395088652776, 135.622236467475 34.6395016789553, 135.622869642775 34.6394968749784, 135.622897188669 34.6404743983435)) ^^http://www.opengis.net/ont/geosparql#wktLiteral