メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.454610534006 43.036639182588, 144.454788224057 43.037038941396, 144.453827788225 43.0372956540067, 144.453241636336 43.0374349455472, 144.452660943667 43.0375606954531, 144.451478793566 43.0377841052518, 144.451539874756 43.0374441642191, 144.451546460669 43.037312103528, 144.451556189793 43.0371124693006, 144.451459287985 43.0369067999394, 144.452297714962 43.036744655141, 144.453430513327 43.0364769680205, 144.454413978772 43.0362264959388, 144.454610534006 43.036639182588)) ^^http://www.opengis.net/ont/geosparql#wktLiteral