メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.267409618396 44.0138540256493, 144.267388965324 44.0139173055151, 144.267311982485 44.0144108732732, 144.267273242157 44.0146589342105, 144.266430648771 44.0145849359998, 144.265666703951 44.0145142617181, 144.265792919064 44.0136504976682, 144.265822776739 44.0135195892204, 144.26657012711 44.013572388852, 144.266626500673 44.0136143073106, 144.267223353666 44.0136653089292, 144.267398481678 44.0136808573914, 144.267407366672 44.0137876694385, 144.267409618396 44.0138540256493)) ^^http://www.opengis.net/ont/geosparql#wktLiteral