メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.604335095267 35.425024619598, 139.604689421184 35.4248669210419, 139.604688420622 35.4249097341222, 139.604843077403 35.4253223680531, 139.604963170579 35.4256196259232, 139.605067460257 35.4258233015814, 139.604829150585 35.4259892835966, 139.604551231304 35.4261968446152, 139.604150403355 35.4256914555403, 139.603914910086 35.4253889777576, 139.603813251605 35.4252609724391, 139.604026909614 35.4251653989922, 139.604205800336 35.42509549744, 139.604335095267 35.425024619598)) ^^http://www.opengis.net/ont/geosparql#wktLiteral