メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.767924485228 35.4314822052054, 136.767455239451 35.4316457701677, 136.767405227478 35.4315545900169, 136.767225039864 35.4316111456192, 136.767010152477 35.4316294910137, 136.766917820569 35.4314577178087, 136.766850423733 35.4314808056137, 136.766492640905 35.4308170584124, 136.766552295362 35.430793944508, 136.766465032679 35.4306497208524, 136.766558355487 35.4306119294219, 136.766400413907 35.4303633597924, 136.76663255753 35.430265005057, 136.766591423985 35.4302056125508, 136.767022680719 35.4300328070664, 136.76726651018 35.4302946140601, 136.767666804381 35.4309923707258, 136.76773618628 35.4310899524843, 136.767836869856 35.4311474272799, 136.768247803207 35.431267319593, 136.768334423494 35.4312803133091, 136.767924673057 35.4314440742989, 136.767924485228 35.4314822052054)) ^^http://www.opengis.net/ont/geosparql#wktLiteral