メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.765282999617 35.3994730040532, 136.765359814635 35.3998890938098, 136.765459172747 35.4004110819701, 136.765009466979 35.4004716598922, 136.764989825353 35.4003619037207, 136.763173636335 35.4006199610973, 136.763167691235 35.4005015607139, 136.763163863297 35.4001309865418, 136.763152175488 35.4000345397617, 136.763125697003 35.3998082559443, 136.763102180542 35.3997093448614, 136.763370007181 35.3996809873844, 136.764294546837 35.3995752380049, 136.764298097428 35.3995992917103, 136.765282999617 35.3994730040532)) ^^http://www.opengis.net/ont/geosparql#wktLiteral