メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.162128946734 35.0814229101452, 137.162193053806 35.0819040640451, 137.161345735825 35.0819815640376, 137.161411829245 35.082516312089, 137.160875311685 35.0825201579964, 137.160845055073 35.0825151550431, 137.160179671975 35.0825726542965, 137.160108941032 35.0820964982397, 137.15996367042 35.0810369256299, 137.159932654267 35.0808105733484, 137.15992028137 35.0807203565924, 137.160578105348 35.0806846217906, 137.160934416234 35.0806640786715, 137.160945791674 35.0807295042387, 137.161177193291 35.0807133207611, 137.161162342351 35.080629581081, 137.162410080648 35.0805038638454, 137.162524375658 35.0813853219118, 137.162128946734 35.0814229101452)) ^^http://www.opengis.net/ont/geosparql#wktLiteral