メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.271603933061 43.1094120229386, 141.272411473458 43.110101247206, 141.272063104013 43.1103264166485, 141.271635751025 43.1105806599054, 141.271235716708 43.1108309155033, 141.27083507173 43.1110765948975, 141.27045003219 43.1113186804508, 141.270227325408 43.1114515251668, 141.269410746638 43.1107502610744, 141.26859655839 43.1100568868288, 141.268837610113 43.1099232875383, 141.269224039682 43.1096782661948, 141.269632070797 43.1094447502246, 141.270024778497 43.1091907779107, 141.270451342966 43.1089262624358, 141.270793688366 43.1087060368576, 141.271280635702 43.1091410274056, 141.271603933061 43.1094120229386)) ^^http://www.opengis.net/ont/geosparql#wktLiteral