メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.373452166969 34.8135633615054, 137.37253953395 34.8132651543934, 137.372869322122 34.8128313053819, 137.373195685784 34.812360977398, 137.373934286818 34.8126067933928, 137.374066223919 34.8126554478831, 137.374121844992 34.8126740874756, 137.375255572392 34.8130634639012, 137.375645598555 34.8131915434265, 137.375394546527 34.8136466776407, 137.373795218062 34.8131149780297, 137.373452166969 34.8135633615054)) ^^http://www.opengis.net/ont/geosparql#wktLiteral