メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.863892813555 35.1231764859762, 136.863800935847 35.1231739292165, 136.863724227969 35.1231718336237, 136.863709126722 35.1231700347842, 136.863687872572 35.123169135333, 136.863351363734 35.1231549013569, 136.863342387063 35.1231545261021, 136.86334727519 35.1229741044861, 136.863357515812 35.1229747642135, 136.863492786327 35.12298313598, 136.86349427238 35.1227607308511, 136.86360607478 35.1227586202868, 136.863776429213 35.1226495387862, 136.863904262857 35.1226525384995, 136.863902023994 35.122730566334, 136.863892813555 35.1231764859762)) ^^http://www.opengis.net/ont/geosparql#wktLiteral