メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.151767091677 34.6687769337458, 135.151443458761 34.6691273075947, 135.151065339613 34.6695366430975, 135.150774191751 34.6693335104731, 135.150623086078 34.66922409351, 135.150172853451 34.6689318801193, 135.15092661041 34.6681898561605, 135.15131938446 34.6684644242134, 135.151451197824 34.6685536866276, 135.151767091677 34.6687769337458)) ^^http://www.opengis.net/ont/geosparql#wktLiteral