メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.764903635202 35.3975349245613, 136.764980909284 35.3979766568595, 136.762412201249 35.3983013832922, 136.762274592353 35.3981211365803, 136.762181558591 35.3980049125331, 136.762094571264 35.3978923691186, 136.761455308608 35.3973939739168, 136.761134060109 35.397142127319, 136.762355490366 35.3969839429212, 136.762428469183 35.397387073002, 136.763840275348 35.3972098584846, 136.763671064553 35.39635556753, 136.76466167473 35.3962264547565, 136.764903635202 35.3975349245613)) ^^http://www.opengis.net/ont/geosparql#wktLiteral