メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.261756284606 35.2728345194091, 136.261261275395 35.2730558670975, 136.261065807499 35.2731365698021, 136.260764740902 35.272740253267, 136.260022891818 35.2718220742838, 136.260207289334 35.2717178771568, 136.260710471259 35.2714420102628, 136.260818623469 35.2715627616101, 136.261400738152 35.2723538880535, 136.261632798217 35.2726800001485, 136.261756284606 35.2728345194091)) ^^http://www.opengis.net/ont/geosparql#wktLiteral