メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.932196968593 35.140796171355, 136.932154910498 35.1412475139363, 136.931868435929 35.1412285685156, 136.930938741506 35.1411669422935, 136.930966302056 35.1407209243109, 136.931011599732 35.1402710687688, 136.93213622442 35.1403394161122, 136.932215215679 35.140344078751, 136.932239625259 35.1403452535735, 136.932196968593 35.140796171355)) ^^http://www.opengis.net/ont/geosparql#wktLiteral