メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.391515740608 43.6868133052765, 142.391686213186 43.6865809619613, 142.392386058145 43.68675021598, 142.39310923977 43.686905372682, 142.393020017662 43.6871896588284, 142.393420252519 43.6872669771945, 142.393321843405 43.687775850589, 142.393216427812 43.68897154237, 142.393123406632 43.6900148641443, 142.391614385802 43.6895624925134, 142.390904345917 43.6893496077277, 142.390181934734 43.6891330424461, 142.389449937768 43.6889135654315, 142.390207713075 43.6875886895485, 142.390769765459 43.6866059166742, 142.391515740608 43.6868133052765)) ^^http://www.opengis.net/ont/geosparql#wktLiteral