メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.207626757057 42.95266495525, 143.20749363074 42.9535148075491, 143.207500462845 42.953560254093, 143.207522563735 42.9536517798301, 143.206796295348 42.9537916075464, 143.206259512868 42.9538576218728, 143.205574495915 42.9539161481639, 143.20556783664 42.9538632452828, 143.205487208487 42.9531569595324, 143.205386999086 42.9521934997855, 143.206797268597 42.9522781685148, 143.207436950431 42.9523165068807, 143.207676438712 42.9523308946767, 143.207626757057 42.95266495525)) ^^http://www.opengis.net/ont/geosparql#wktLiteral