メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.26057976213 35.2759734864684, 136.26051289372 35.2756923679019, 136.260470111954 35.2755190121388, 136.260876005967 35.2753537024974, 136.261006412271 35.2752953937113, 136.261948651299 35.2748085753922, 136.26248085029 35.275462549699, 136.26201479194 35.2755972908156, 136.26057976213 35.2759734864684)) ^^http://www.opengis.net/ont/geosparql#wktLiteral