メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.724839392588 45.3821931768208, 141.725383282556 45.3822797623505, 141.725286006574 45.3826064947665, 141.726237328117 45.3827853573239, 141.726179752162 45.3838799561805, 141.726115529255 45.3851005051079, 141.726067287456 45.3860175694, 141.725610786492 45.3860247501588, 141.725327720073 45.3860113575354, 141.725159698542 45.3859804949224, 141.725022449954 45.3859553978405, 141.7247103365 45.3858627097232, 141.724193653101 45.3857157881614, 141.723666236141 45.3855650209039, 141.723101264321 45.3853914395848, 141.723150517437 45.3853193964822, 141.723395624885 45.3846189270472, 141.723797512036 45.3834414139413, 141.724263488726 45.38209463127, 141.724839392588 45.3821931768208)) ^^http://www.opengis.net/ont/geosparql#wktLiteral