メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.998013869545 34.9006253259209, 136.998281956059 34.9009138893129, 136.998482627471 34.9011202395131, 136.998043497671 34.9014251486526, 136.997805132563 34.901472145898, 136.99589544618 34.9019825482518, 136.995575193728 34.9015909388796, 136.99527345988 34.9012312598046, 136.995226253338 34.90118386542, 136.995320891632 34.9011756882029, 136.995679493452 34.9010008275401, 136.995922301639 34.9008472836477, 136.996668556426 34.9003346273699, 136.996979953966 34.9001025793537, 136.997296426756 34.8998690585899, 136.998013869545 34.9006253259209)) ^^http://www.opengis.net/ont/geosparql#wktLiteral