メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.203795809065 37.841501688706, 139.203970371034 37.8422311575546, 139.204045740229 37.8422604107675, 139.204430479611 37.842241638134, 139.20488651018 37.8422194783758, 139.204958133023 37.8427410656493, 139.205021427082 37.8431937187447, 139.204387713346 37.8432515736912, 139.204536296528 37.8435399908662, 139.204515369944 37.843551657937, 139.204215158295 37.843718451061, 139.204123735208 37.8436956307947, 139.203596049394 37.8430575281683, 139.203510402634 37.8430771864407, 139.203275706216 37.8432168348596, 139.203253926585 37.8431807845488, 139.20323216705 37.8431468487553, 139.20346133057 37.8429945618667, 139.20326537082 37.8424086743496, 139.203594616121 37.8423408199066, 139.203412761038 37.8415486070389, 139.203348246079 37.8415361804321, 139.203274157767 37.8412166282546, 139.203727209129 37.8411946333298, 139.203778560707 37.8412369831149, 139.203795809065 37.841501688706)) ^^http://www.opengis.net/ont/geosparql#wktLiteral