メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.21823774893 35.3048472426058, 135.217649958725 35.3049153537764, 135.217300420226 35.3047771577262, 135.217086275958 35.3047185366202, 135.216737007968 35.3042982699827, 135.217411297063 35.3043228290636, 135.217505405542 35.303616543431, 135.217549555133 35.3035638834526, 135.21769277489 35.3035174304432, 135.217741408307 35.3036615344523, 135.218175219147 35.3047304334993, 135.218208680233 35.3048149433233, 135.21823774893 35.3048472426058)) ^^http://www.opengis.net/ont/geosparql#wktLiteral