メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.319099886913 43.0798898219085, 141.319259067086 43.0800286111366, 141.319798995445 43.0805388098098, 141.319382783519 43.0807800986743, 141.319006498913 43.0809948451119, 141.318601343524 43.081234181199, 141.317983015395 43.0816113115631, 141.317507147396 43.0811730809942, 141.317274157674 43.0809539350754, 141.316597572635 43.0803079297987, 141.316624150212 43.0802888758792, 141.317059548303 43.0800229986753, 141.317496563491 43.0797640942962, 141.31791110078 43.0795131636482, 141.318391632905 43.0792311212002, 141.318987304747 43.0797720896309, 141.319099886913 43.0798898219085)) ^^http://www.opengis.net/ont/geosparql#wktLiteral