メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.346705097969 43.0435891023308, 141.346687015792 43.0437105601383, 141.346652304899 43.0439850652996, 141.346647048984 43.0440230727016, 141.346630521758 43.0441888507673, 141.346609300655 43.0443476985515, 141.346562003347 43.0446826580347, 141.346126952082 43.044650386628, 141.345693626951 43.0446181972583, 141.345582566884 43.0446196400633, 141.344579693969 43.0445529118022, 141.344622608478 43.0441972414094, 141.344643433876 43.0440591373387, 141.344684105884 43.0438623946736, 141.34469068437 43.0437345158322, 141.344719137218 43.0435601820556, 141.344736680007 43.0433321706661, 141.344761796066 43.0432217399071, 141.345556603553 43.043273389433, 141.346094299151 43.0433083727345, 141.346739262673 43.0433584076701, 141.346717871863 43.0435026969751, 141.346705097969 43.0435891023308)) ^^http://www.opengis.net/ont/geosparql#wktLiteral