メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.692238701806 35.3133913522953, 136.692180255143 35.3132851379763, 136.691870680819 35.3127227296755, 136.691988159072 35.3126885389893, 136.692311746066 35.3126407828129, 136.69249134017 35.3126142273717, 136.69304427434 35.3125389085889, 136.693059375868 35.3126156582379, 136.693182321281 35.3132405809346, 136.692525040901 35.3133517605041, 136.692238701806 35.3133913522953)) ^^http://www.opengis.net/ont/geosparql#wktLiteral