メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.926557232323 37.5327597303612, 138.927479846252 37.5327634299922, 138.927532748565 37.5328558788999, 138.927652172357 37.5330258037736, 138.928714708888 37.5324342834247, 138.928842739928 37.5325173074435, 138.928929797554 37.5326076600013, 138.929040263495 37.532810422063, 138.929086705878 37.5329625894606, 138.929173806356 37.5330602637347, 138.929206235217 37.5331581368602, 138.929279640586 37.5332412185227, 138.929348198806 37.5332809529986, 138.929412989257 37.5333340783967, 138.929464189683 37.533352756763, 138.929515362597 37.5333587661975, 138.929593944529 37.5333584800602, 138.929652904737 37.5333582653363, 138.929739400075 37.5333579502805, 138.929842575041 37.5333760174352, 138.929937635866 37.5334052386493, 138.930065915942 37.5334771375829, 138.930123946331 37.5335229651464, 138.930153155039 37.5335753728479, 138.930174154065 37.5336376681549, 138.930186882552 37.5337067498198, 138.930191811892 37.5338413296703, 138.93009452181 37.5345004474826, 138.929840314186 37.5344971516864, 138.929852475743 37.5345597585752, 138.929392809799 37.5346146533986, 138.929360862563 37.5345239583182, 138.928918769454 37.534552177009, 138.929105116978 37.5348302660943, 138.926547761512 37.5348253210555, 138.923947250676 37.5348331483702, 138.923949227031 37.5337867751748, 138.923949808584 37.5327518107378, 138.924865079919 37.5327548543558, 138.926550558229 37.5327596121239, 138.926557232323 37.5327597303612)) ^^http://www.opengis.net/ont/geosparql#wktLiteral