メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.60902103178 35.3304690655054, 136.609357909923 35.3314779201587, 136.609313619527 35.3314894047336, 136.603888885562 35.3326894419805, 136.603633408803 35.3319838271164, 136.603504587281 35.3316078815463, 136.603365602072 35.3312787177266, 136.602806553443 35.3301885885947, 136.602518552228 35.3297327406485, 136.6025509536 35.3297257096607, 136.604700793973 35.3292530524184, 136.60834730014 35.3284512102597, 136.60902103178 35.3304690655054)) ^^http://www.opengis.net/ont/geosparql#wktLiteral