メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.62218343884 42.6532432301933, 141.622204047363 42.6532500955395, 141.6231566383 42.6535922291916, 141.623208427934 42.6536170785033, 141.623264595759 42.6536440251635, 141.623406520084 42.6537674681965, 141.62344747701 42.6538543461562, 141.623454004291 42.6538683077066, 141.623505562889 42.6540236095797, 141.6234810502 42.6541633031939, 141.623425202301 42.6542496509184, 141.623421233631 42.6542558187242, 141.62323333922 42.654571862412, 141.623048158124 42.6548641492522, 141.623038621646 42.6548791472592, 141.622857220787 42.6551791908032, 141.6226402049 42.6555381199222, 141.622453567991 42.6558467140335, 141.621057129968 42.6553694849106, 141.619881155323 42.6549829195151, 141.619548949777 42.6548692552858, 141.619530099233 42.6548628223138, 141.618371728097 42.6544666308369, 141.617259497598 42.6540976931977, 141.617391261562 42.6538802539974, 141.617474443745 42.6537429824579, 141.617796230904 42.6532120357591, 141.619090824879 42.6533221543805, 141.619473772622 42.6533547920873, 141.61991036691 42.6533919427838, 141.62051556405 42.6534435250222, 141.620919214587 42.6528232735507, 141.621153063877 42.652900944201, 141.62218343884 42.6532432301933)) ^^http://www.opengis.net/ont/geosparql#wktLiteral