メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.095944846237 39.3772628073264, 141.096144427601 39.3776285840296, 141.09632460031 39.3778552750159, 141.096438521941 39.3780308113516, 141.096571827703 39.3783381144207, 141.096887307472 39.3794696498813, 141.096082216177 39.3794420569616, 141.095498676199 39.3794558324039, 141.094776066337 39.3795032059909, 141.094149991875 39.3796001818166, 141.093601587852 39.3796990222669, 141.092424699851 39.3799675988686, 141.092596195257 39.3789952780936, 141.092789224094 39.3776105146433, 141.092924143481 39.3758303014227, 141.095375065754 39.3754373658769, 141.095944846237 39.3772628073264)) ^^http://www.opengis.net/ont/geosparql#wktLiteral