メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.055260503693 34.8604896137772, 137.055222049046 34.8605956440969, 137.055137591243 34.8608147392364, 137.055607719829 34.8614428257326, 137.055207061568 34.8616404326932, 137.055117635803 34.8615285811804, 137.055161226254 34.8614076956127, 137.054884868438 34.8613524370789, 137.054893945562 34.8612825806514, 137.054642990503 34.8612326979157, 137.05493013126 34.8611009096071, 137.054863399492 34.8610072492946, 137.054890650553 34.8609952305644, 137.054596360646 34.860587181042, 137.05447274734 34.8606642563544, 137.054274829492 34.8602719996416, 137.054566600889 34.8600400672893, 137.054791147597 34.8598565269969, 137.055260503693 34.8604896137772)) ^^http://www.opengis.net/ont/geosparql#wktLiteral