メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.971463649468 35.2485995017755, 136.972547797048 35.2496444744677, 136.972278613912 35.2501887169974, 136.971873939279 35.2509525061475, 136.971394076582 35.2504448007062, 136.971004081569 35.2500906960176, 136.970275907426 35.2494561659011, 136.969282104745 35.2485905613209, 136.969599457987 35.2483588657199, 136.969944054255 35.2481057369904, 136.970496210764 35.2477121200553, 136.971463649468 35.2485995017755)) ^^http://www.opengis.net/ont/geosparql#wktLiteral