メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.150606631219 34.6564524228093, 135.150730154075 34.6565327271091, 135.151045844061 34.6567402031017, 135.151122782321 34.6567982818829, 135.150710577114 34.6572292568064, 135.150536977028 34.6574129731205, 135.150056807843 34.6572336449751, 135.149740342376 34.6571118136382, 135.149460904245 34.6569852257972, 135.14986580516 34.6565565586423, 135.149946758497 34.6564681198737, 135.150103320928 34.6563025484051, 135.150208619359 34.6561936635939, 135.150606631219 34.6564524228093)) ^^http://www.opengis.net/ont/geosparql#wktLiteral