メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.728494663079 35.4368861758501, 136.727125441754 35.4370547508013, 136.727114710031 35.4370189042147, 136.727152607803 35.4367503934774, 136.727031170915 35.435948473877, 136.727142419474 35.4359414144046, 136.728282579983 35.43587541866, 136.728305988485 35.4362635498215, 136.728494663079 35.4368861758501)) ^^http://www.opengis.net/ont/geosparql#wktLiteral