メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.875274534301 35.0976634475483, 136.875955991836 35.0976327152564, 136.8762351429 35.0976262534541, 136.876369644108 35.0995862384142, 136.875383668836 35.0996281505817, 136.874947713679 35.0996475475131, 136.874924255698 35.0993270222691, 136.874911414565 35.0991515810965, 136.874900800129 35.0990064962068, 136.874888878568 35.0988370430742, 136.874875246354 35.0986435028816, 136.874870237186 35.0984882910397, 136.874848548985 35.0981644595615, 136.87482692053 35.0978417549769, 136.874815762411 35.0976751213712, 136.875274534301 35.0976634475483)) ^^http://www.opengis.net/ont/geosparql#wktLiteral