メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.221194052926 34.7164247374613, 135.22127899347 34.7164556699322, 135.221536665158 34.7165597146817, 135.221488336433 34.7166344390398, 135.221718596901 34.716727414833, 135.222085797532 34.7168644648738, 135.222754464421 34.7171165020695, 135.222618149774 34.7173856877309, 135.222492751025 34.7176547935169, 135.221796694176 34.7173939386703, 135.221182855227 34.7171640307815, 135.220777229736 34.7170069747714, 135.220459275509 34.7168808305853, 135.220771887471 34.7162520261899, 135.221194052926 34.7164247374613)) ^^http://www.opengis.net/ont/geosparql#wktLiteral