メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.164060445535 34.2209514270677, 135.163380453209 34.2209067998896, 135.16335331625 34.2206405193161, 135.16332624848 34.2203759304677, 135.163284647655 34.219968404403, 135.163925331983 34.219965998446, 135.163998031459 34.2204961472649, 135.164060445535 34.2209514270677)) ^^http://www.opengis.net/ont/geosparql#wktLiteral