メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.920104164553 35.1351468557321, 136.920109831231 35.1350729905473, 136.920301874093 35.1350916279643, 136.920746544294 35.1350957851549, 136.920697649647 35.135610915395, 136.920644466456 35.136055470772, 136.920024011266 35.1359907366692, 136.920024285284 35.1359501019771, 136.919397892809 35.1359142959999, 136.919435996313 35.1355822500822, 136.919480290954 35.1350595752732, 136.919913050473 35.1350687814507, 136.919912845161 35.1351368111488, 136.920104164553 35.1351468557321)) ^^http://www.opengis.net/ont/geosparql#wktLiteral