メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.984883063742 37.6277895781581, 138.98484024924 37.6280452826187, 138.984802007463 37.6282418387995, 138.984599664515 37.6294195072936, 138.984598460765 37.629425003159, 138.984537313962 37.6297066878865, 138.984489591715 37.6299701561127, 138.984427137066 37.6302414284068, 138.984377101577 37.6305305279899, 138.984319731692 37.6308214886195, 138.983454390007 37.6306230134221, 138.982826617985 37.6304787452611, 138.981415075943 37.6301556415336, 138.981165365354 37.6300975316759, 138.979021112461 37.629597320983, 138.979448986143 37.6290483408089, 138.979816660794 37.6289734946088, 138.980028707015 37.6289215260719, 138.98031142338 37.6288415334299, 138.980608082693 37.6287276943468, 138.981004675231 37.6285599467295, 138.981167172936 37.6284767826366, 138.981388741282 37.628357897825, 138.981713752244 37.6281876254108, 138.98200909666 37.6280214164014, 138.982417671792 37.6277918096542, 138.982897625829 37.6275208003143, 138.983084830065 37.6274334508747, 138.984027561492 37.6269130358888, 138.984319867495 37.6270374163519, 138.984978594669 37.6272902366415, 138.984883063742 37.6277895781581)) ^^http://www.opengis.net/ont/geosparql#wktLiteral