メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.178351750408 34.2312854451968, 135.178743398488 34.2313516033599, 135.178579905223 34.2316404173329, 135.178278000211 34.2322022941761, 135.178089004582 34.2325498197924, 135.177013955749 34.2325426026094, 135.177024457209 34.2321066805483, 135.177066462067 34.2319900402564, 135.17750737349 34.2312607604033, 135.178351750408 34.2312854451968)) ^^http://www.opengis.net/ont/geosparql#wktLiteral