メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.929330693427 35.0898514773957, 136.929137654461 35.0902745092658, 136.929002477043 35.0902122688292, 136.927156708551 35.0895642215834, 136.927100109187 35.0895443206076, 136.927566544013 35.0883935435023, 136.927593257107 35.0884000038458, 136.927877260968 35.0877250944521, 136.928889068092 35.0881166881196, 136.929926582233 35.0885181845097, 136.930018078664 35.0884983604265, 136.929692402942 35.0891373472689, 136.929330693427 35.0898514773957)) ^^http://www.opengis.net/ont/geosparql#wktLiteral