メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((144.271571332032 44.0180986909957, 144.271552414555 44.0183274968628, 144.271447240198 44.0188966892368, 144.269889517111 44.0187584280561, 144.269900054625 44.0186900318233, 144.269986367117 44.0187009098598, 144.27001428055 44.0183237472775, 144.270028615538 44.0181319127408, 144.2700950929 44.018126838174, 144.270139797602 44.0181234254619, 144.270707500473 44.0180894767632, 144.270705995587 44.0180623772554, 144.270700886526 44.0179751866331, 144.271570922831 44.0179892467447, 144.271571190741 44.0180486912897, 144.271571332032 44.0180986909957)) ^^http://www.opengis.net/ont/geosparql#wktLiteral