メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.577189589505 34.6726114481038, 135.575623246445 34.6725031794685, 135.575750080671 34.6721120282329, 135.576008094893 34.6712202919178, 135.576053856853 34.671097479886, 135.576112223833 34.6709518917696, 135.576193477764 34.6708317380666, 135.576271688054 34.6707486203071, 135.576757053709 34.6713954472692, 135.576927120565 34.6717918561032, 135.577020561495 34.672000653899, 135.577187896287 34.6723901500077, 135.577189589505 34.6726114481038)) ^^http://www.opengis.net/ont/geosparql#wktLiteral