メタデータ名
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((142.397285093715 44.1698214421717, 142.395955368107 44.1695998121962, 142.396205596881 44.1688622935659, 142.39750801754 44.1690705423395, 142.397285093715 44.1698214421717)) ^^http://www.opengis.net/ont/geosparql#wktLiteral