メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.761493638312 35.4169439015034, 136.761247019057 35.4169672708746, 136.761247262813 35.4169185063193, 136.760839868279 35.4169415509595, 136.760724059821 35.4169194755231, 136.76032334252 35.4169316971003, 136.76031735734 35.4168043585478, 136.760314349023 35.4167608624861, 136.760392824277 35.4167565468811, 136.76035935141 35.4163548294795, 136.761173757307 35.4163846532409, 136.761441917201 35.4163882915609, 136.761493638312 35.4169439015034)) ^^http://www.opengis.net/ont/geosparql#wktLiteral