メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.912990078522 35.0753626488006, 136.91300541209 35.0753766253371, 136.913081881742 35.0758292059055, 136.91172887446 35.0756646932431, 136.911468737197 35.0756357681939, 136.911392012558 35.075172130201, 136.911416565574 35.0751752094477, 136.911397194286 35.0750322728038, 136.911590993038 35.0750508478167, 136.911540281631 35.0747005797453, 136.912905120562 35.07487054125, 136.912990078522 35.0753626488006)) ^^http://www.opengis.net/ont/geosparql#wktLiteral