メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.875567814586 37.7978956392268, 138.875707725919 37.79794263866, 138.876436762788 37.7980749066118, 138.877089327938 37.7982152969197, 138.877007928864 37.7985561243644, 138.876878912864 37.7990247962252, 138.876764510145 37.7994185248218, 138.877057478463 37.7994782655535, 138.877040773819 37.7997884757785, 138.876877702603 37.8004354954378, 138.87664715844 37.8012135224909, 138.876110758646 37.801033056875, 138.875651129857 37.8009026057885, 138.875501231063 37.8008556384952, 138.874823648237 37.8007112367817, 138.874527349387 37.8006514994837, 138.874530491368 37.8006146025545, 138.874224062772 37.800533779794, 138.873671345158 37.8004140341815, 138.873789508516 37.8000943506776, 138.873749297376 37.8000364744234, 138.873685930719 37.8000049983325, 138.873542792836 37.7999791237914, 138.873329741649 37.799942771654, 138.873223249604 37.7999272002508, 138.873150062638 37.7999274321063, 138.873013774722 37.7999410982955, 138.873186086404 37.7994853841993, 138.872165852564 37.7992222388968, 138.872089373674 37.7992562696739, 138.872338090638 37.7986799408985, 138.872088590431 37.7986807289951, 138.872223735843 37.7982520241968, 138.872479195627 37.7974540725616, 138.87211954947 37.7973628512356, 138.872216222039 37.7970736489803, 138.873118418509 37.7972528351616, 138.873318109466 37.7972890899252, 138.873709428832 37.7973894986916, 138.874055798406 37.797486107572, 138.874438734328 37.7975772488211, 138.874874949222 37.7976787795647, 138.875467840998 37.7978616063628, 138.875567814586 37.7978956392268)) ^^http://www.opengis.net/ont/geosparql#wktLiteral