メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.970815657989 37.0417650300978, 136.970179762265 37.0418776032129, 136.970116027112 37.0416123594919, 136.96969425367 37.0417219773916, 136.969342447549 37.041800240686, 136.96942672331 37.0420427776113, 136.968410145061 37.0422322180443, 136.968457092688 37.0408967575979, 136.968444909845 37.0407353746507, 136.969368076724 37.0406192091462, 136.96936630227 37.0406346231282, 136.969650473392 37.0406270721682, 136.969801021989 37.0405343224579, 136.970162107192 37.0403972152174, 136.970737637919 37.0403775446694, 136.97075478024 37.0403878516948, 136.970785094553 37.041073413755, 136.970815657989 37.0417650300978)) ^^http://www.opengis.net/ont/geosparql#wktLiteral