メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.371868835286 43.8071314608509, 142.372665453402 43.8077174250853, 142.373113367791 43.8080376550589, 142.372882835437 43.8082021559562, 142.372611482335 43.8083957753405, 142.372473851481 43.8084957435852, 142.372085278526 43.8087779864869, 142.37153898191 43.8091908060279, 142.370621460727 43.8098373578346, 142.370152522771 43.8101977894326, 142.370084228867 43.8102506894071, 142.369533962903 43.8098599334867, 142.369049896148 43.8095005060236, 142.368555509354 43.8091750875373, 142.368533948732 43.8091609047628, 142.368362697828 43.8090339375179, 142.367997396074 43.8087701268798, 142.369108386318 43.8079599331535, 142.369605244619 43.8076115904623, 142.369821896241 43.8074445796901, 142.370020880008 43.8072936549165, 142.370122719229 43.8072224898456, 142.37037022178 43.8070495375095, 142.370599702976 43.8068849736439, 142.370701524585 43.8068119609846, 142.371056150437 43.8065495353909, 142.371868835286 43.8071314608509)) ^^http://www.opengis.net/ont/geosparql#wktLiteral