メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.481417154882 43.0434564623991, 141.481327202964 43.0435571340325, 141.481212108784 43.0436901286811, 141.481096115086 43.0438990752092, 141.481007838898 43.0440650949406, 141.480790316341 43.0444759828621, 141.480687528537 43.044636982206, 141.479319934486 43.043980307606, 141.479858010901 43.0434318359564, 141.480348871881 43.0429315727484, 141.481417154882 43.0434564623991)) ^^http://www.opengis.net/ont/geosparql#wktLiteral