メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.447257810864 33.0345629147523, 130.447582312213 33.0350875143177, 130.447786286863 33.0353722883264, 130.447665262899 33.0354517998068, 130.447563042395 33.0355475738256, 130.447462877575 33.0356687934446, 130.447137357258 33.0353872016962, 130.44666279014 33.0349922189988, 130.445751071728 33.0341599946313, 130.446635707003 33.0337076637945, 130.447257810864 33.0345629147523)) ^^http://www.opengis.net/ont/geosparql#wktLiteral