メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.424164329894 33.1865550870597, 130.424349374685 33.187260161782, 130.423367967149 33.1873975530035, 130.42322593965 33.1866814064648, 130.423176513056 33.1864307028503, 130.423010812269 33.1856267025669, 130.423901777532 33.1854542703028, 130.424100115953 33.1863103576063, 130.424164329894 33.1865550870597)) ^^http://www.opengis.net/ont/geosparql#wktLiteral