メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.606534810149 35.359741975828, 136.60536213584 35.3597175788254, 136.605288083214 35.358796592855, 136.605206490152 35.3587992407202, 136.605194277102 35.3588000284642, 136.605129048143 35.3588041614066, 136.60459913536 35.3588376078765, 136.604563428409 35.3583018729809, 136.606340764082 35.3581577528038, 136.606402085903 35.3581527564525, 136.606481532798 35.3591346117525, 136.606534810149 35.359741975828)) ^^http://www.opengis.net/ont/geosparql#wktLiteral