メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.462525099472 43.040054485571, 144.462354589193 43.0397760557975, 144.461634235013 43.0386574463581, 144.4611160548 43.0377429492729, 144.462249002363 43.0374691936825, 144.464360283034 43.037059036367, 144.464392420883 43.0371315540329, 144.464291015725 43.0372921054372, 144.464364673221 43.0374686771367, 144.464541941209 43.0378975435729, 144.464554053702 43.0379410525881, 144.463937391955 43.0385853751263, 144.462525099472 43.040054485571)) ^^http://www.opengis.net/ont/geosparql#wktLiteral