メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.623268492138 42.6515258130378, 141.624308335431 42.6518778408592, 141.624402441184 42.6519095852156, 141.626606325959 42.6526559241585, 141.626112175913 42.6533889401971, 141.625985273904 42.653577310175, 141.62576158105 42.6539091524556, 141.625418598114 42.6544179490633, 141.625366716933 42.6544949085149, 141.625165910521 42.6547927391038, 141.625143807485 42.6548256754611, 141.624978115007 42.6550713678225, 141.624928443569 42.655145090003, 141.624732566545 42.6554356301501, 141.624507137601 42.6557700401455, 141.624298294285 42.6560799227472, 141.624078906605 42.6564053611766, 141.622453567991 42.6558467140335, 141.6226402049 42.6555381199222, 141.622857220787 42.6551791908032, 141.623038621646 42.6548791472592, 141.623048158124 42.6548641492522, 141.62323333922 42.654571862412, 141.623421233631 42.6542558187242, 141.623425202301 42.6542496509184, 141.6234810502 42.6541633031939, 141.623505562889 42.6540236095797, 141.623454004291 42.6538683077066, 141.62344747701 42.6538543461562, 141.623406520084 42.6537674681965, 141.623264595759 42.6536440251635, 141.623208427934 42.6536170785033, 141.6231566383 42.6535922291916, 141.622204047363 42.6532500955395, 141.62218343884 42.6532432301933, 141.621153063877 42.652900944201, 141.620919214587 42.6528232735507, 141.621172158002 42.6524116521481, 141.621194789931 42.6523737946964, 141.621379615086 42.6520646293063, 141.621419674686 42.6520087211736, 141.621660020002 42.6516175677925, 141.621961072247 42.6510832611766, 141.621983723145 42.6510907005038, 141.623268492138 42.6515258130378)) ^^http://www.opengis.net/ont/geosparql#wktLiteral