メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.123631962593 35.3440666712099, 137.12366878466 35.3441983767672, 137.123142520128 35.3450307164366, 137.122836516435 35.3455294095605, 137.122729748393 35.3455866227119, 137.122626946916 35.345608202121, 137.121360451073 35.3456800330061, 137.121292167783 35.3452135178165, 137.121210806021 35.3447304502686, 137.121209413619 35.3447222098922, 137.121158228061 35.3443626100825, 137.121069805183 35.3437253173915, 137.121199099972 35.3436735364751, 137.122907540711 35.342872225844, 137.122985307759 35.3428387352739, 137.12339857738 35.3426567818924, 137.123631962593 35.3440666712099)) ^^http://www.opengis.net/ont/geosparql#wktLiteral