メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.24266373957 39.6642113408897, 140.238405843385 39.6617544234497, 140.240165319015 39.6599012603263, 140.240532031941 39.6603996993828, 140.240813596685 39.6607353931236, 140.241046705895 39.6609562070552, 140.241796265384 39.6596971029405, 140.244401042682 39.6605913107006, 140.245029672321 39.6608332276824, 140.243875278481 39.6628041426918, 140.243386478538 39.6635656359737, 140.242774963792 39.6642214410205, 140.24266373957 39.6642113408897)) ^^http://www.opengis.net/ont/geosparql#wktLiteral