メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.921325860369 35.3333107365493, 136.920725656252 35.3333146736934, 136.920434037193 35.3326960775994, 136.919632160683 35.3309822333935, 136.918686677366 35.3289816373284, 136.922195634586 35.3289494837465, 136.924728550721 35.328948202709, 136.924729976156 35.3313596725635, 136.924701543014 35.3332591844499, 136.921325860369 35.3333107365493)) ^^http://www.opengis.net/ont/geosparql#wktLiteral