メタデータ名 indicator-C2108
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.376009341725 43.8177169766924, 142.373806812404 43.8192553660259, 142.373144442226 43.8187701471069, 142.372155762008 43.8180563875564, 142.371926834513 43.8178805594167, 142.37449506103 43.8161706182683, 142.37491223122 43.8164820300922, 142.375391835957 43.8168364626623, 142.376081429379 43.8173240308051, 142.376246259439 43.8174416368693, 142.375940633629 43.8176766628549, 142.376009341725 43.8177169766924)) ^^http://www.opengis.net/ont/geosparql#wktLiteral