メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.115020592675 35.1188778405608, 136.114838909955 35.1191107632866, 136.11432155236 35.1196623182639, 136.113983406843 35.1200479261479, 136.113433065799 35.1197447048799, 136.112836224828 35.119432722174, 136.113204899638 35.1190012444281, 136.113538379242 35.1186384617056, 136.113715422902 35.1184263195084, 136.114222089738 35.1178860448366, 136.115334620844 35.1185180991327, 136.115020592675 35.1188778405608)) ^^http://www.opengis.net/ont/geosparql#wktLiteral