メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.263837793568 35.2812262389989, 136.264163072642 35.2817622206462, 136.263716774149 35.2819147438765, 136.263370220735 35.281940780422, 136.262745782021 35.2818031935475, 136.261454792125 35.2815881736688, 136.260412181893 35.2813486625218, 136.261236501098 35.2807804065766, 136.261322462645 35.2811590940346, 136.261807320266 35.2810191014878, 136.261918935653 35.2808966062912, 136.262539165103 35.2802880772669, 136.262882417642 35.2799812041656, 136.263098920086 35.2802396062622, 136.263837793568 35.2812262389989)) ^^http://www.opengis.net/ont/geosparql#wktLiteral