メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.868474049365 35.2411662939593, 136.869039874595 35.2412018467086, 136.869945394318 35.2412057682536, 136.87059882785 35.2412096981065, 136.870739992385 35.2420463995029, 136.87087658031 35.2427554809075, 136.87089302659 35.2428536216479, 136.870923047263 35.2430785587189, 136.871057112198 35.2434493880375, 136.871090563496 35.2436453895914, 136.87117832963 35.2440782892255, 136.870887873703 35.2440696893913, 136.870536739341 35.2440755879798, 136.870327112767 35.2440879596001, 136.870263473794 35.2435664554829, 136.870219477845 35.2431019724271, 136.870204613915 35.2430995416904, 136.869876836158 35.2431280315663, 136.869543686826 35.2431404502161, 136.869464449984 35.2432065944189, 136.868785184317 35.2432385808247, 136.868620149335 35.2432518349431, 136.868047314717 35.2432750660057, 136.868034191864 35.2430615787631, 136.86769354231 35.2430827067461, 136.867405574277 35.243086921301, 136.867424049684 35.2429240066773, 136.867419199874 35.2428889941167, 136.867484983768 35.2420101977571, 136.867510713741 35.2417650460432, 136.867520356594 35.241651898754, 136.867569849754 35.2410720103447, 136.868474049365 35.2411662939593)) ^^http://www.opengis.net/ont/geosparql#wktLiteral