メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.335678574214 43.1343997092842, 141.33576516069 43.1348080205412, 141.335866539725 43.1351902879671, 141.335959593878 43.1356416213959, 141.334715862193 43.1357925430089, 141.334472694544 43.1358323773414, 141.333323448825 43.1359767942425, 141.333215188034 43.1355224488375, 141.333124707965 43.1351508838997, 141.333035508712 43.1347450788912, 141.332814069572 43.1337807926238, 141.33272517206 43.1333936258617, 141.3338976403 43.1332410441902, 141.334102936467 43.1332158890579, 141.33449005282 43.1331685562621, 141.334817620516 43.1331284822759, 141.334903913431 43.1331179185865, 141.335341631126 43.1330643749089, 141.335468969696 43.1335690262215, 141.335556454001 43.1339157398916, 141.335678574214 43.1343997092842)) ^^http://www.opengis.net/ont/geosparql#wktLiteral