メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.692713861821 35.0673358221177, 136.692131828412 35.0673461124968, 136.692219405332 35.0672287783044, 136.692205373049 35.0670635707379, 136.692151477213 35.0670107766701, 136.692271093719 35.0665244428111, 136.692438907931 35.0659188859688, 136.692706640039 35.0659867981262, 136.692819294786 35.0660092549502, 136.692777674432 35.0664048595942, 136.6926569901 35.0664356201104, 136.69270738851 35.0667381604694, 136.692738803527 35.0669634121504, 136.692634956827 35.0669848503365, 136.692647213305 35.0671072503742, 136.692571366494 35.0671124010998, 136.692566417585 35.0671956017923, 136.692715391939 35.0671878497644, 136.692713861821 35.0673358221177)) ^^http://www.opengis.net/ont/geosparql#wktLiteral