メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.94772968353 35.1658333972831, 136.947762454745 35.1662048636078, 136.946943910788 35.1661516274592, 136.946649242325 35.166132431403, 136.946379070332 35.1661249694724, 136.946172097418 35.1661598039659, 136.946039208046 35.1662237872577, 136.945919102535 35.1658906128558, 136.945879626368 35.1655609654932, 136.945918749018 35.1655551919555, 136.945835080215 35.1652983508059, 136.946543929585 35.165093934658, 136.946575508024 35.1652614557926, 136.947763461141 35.1652721918714, 136.947762406643 35.1652895835159, 136.94772968353 35.1658333972831)) ^^http://www.opengis.net/ont/geosparql#wktLiteral