メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((145.124293390114 43.6773273281748, 145.123255453652 43.6770419857366, 145.123423103183 43.6767100469237, 145.123447820608 43.6766635946207, 145.123541046067 43.6764895996347, 145.123955434368 43.6756601687557, 145.124119548723 43.6753314286286, 145.124512585543 43.6746556155836, 145.125898314673 43.6749939414645, 145.125718275532 43.6752366114262, 145.125638031387 43.6753820475086, 145.125511408894 43.6755139546209, 145.125411263754 43.675672760287, 145.125348147763 43.6758076739353, 145.125381401192 43.6759723303584, 145.125260313979 43.6760902987068, 145.125107238727 43.6761998784283, 145.124933416052 43.676406528009, 145.124776805767 43.6765759667379, 145.124578944263 43.6768108040583, 145.124424087119 43.6770169734419, 145.12437486324 43.6771791015225, 145.124293390114 43.6773273281748)) ^^http://www.opengis.net/ont/geosparql#wktLiteral