メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.762766897695 37.1321912121874, 138.762687837962 37.1322006815262, 138.762153402451 37.1322814147373, 138.762211862963 37.1324934662892, 138.761981093716 37.1325381865327, 138.7619757821 37.1325150365298, 138.76144246412 37.1325962574429, 138.7614219396 37.1324707839116, 138.761421806278 37.1324322768407, 138.761400506108 37.1323441139347, 138.761401751211 37.1323351002429, 138.761234132038 37.1323579704614, 138.761212043794 37.1322586122984, 138.760995766 37.132279747691, 138.760889411553 37.1322986292953, 138.760867260963 37.1321537318091, 138.76093071596 37.1321445864513, 138.760967012959 37.1321393684159, 138.761084250598 37.1321224252906, 138.761192393157 37.1321071222745, 138.76155981161 37.1320585098562, 138.761533706516 37.1318906863972, 138.761798978444 37.131859376263, 138.761799172215 37.1317860645428, 138.761799669909 37.1316718622569, 138.76181706119 37.1315349726667, 138.761828573575 37.131445664885, 138.762115897078 37.131400255123, 138.762208242222 37.1313243026035, 138.762339399552 37.1313148585302, 138.762501406921 37.131295914991, 138.762573621775 37.1312718901082, 138.762636642226 37.1313283499021, 138.762669239413 37.1315681242129, 138.762720492735 37.1318816335081, 138.762766897695 37.1321912121874)) ^^http://www.opengis.net/ont/geosparql#wktLiteral