メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.711700343808 35.1307504078137, 136.711629906248 35.1307610550204, 136.711637806736 35.1308196073158, 136.711335719012 35.1308654300752, 136.711269788384 35.1306308088615, 136.710257268231 35.1307687796382, 136.710148058437 35.1302744120638, 136.709715092156 35.1282875165747, 136.71102690704 35.1280674432143, 136.711065394708 35.1282506945686, 136.711190261884 35.1282707481493, 136.711426135986 35.1294732862063, 136.711700343808 35.1307504078137)) ^^http://www.opengis.net/ont/geosparql#wktLiteral