メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((139.972935817365 36.889621099387, 139.972024653647 36.8903671729532, 139.970214577052 36.8918640649423, 139.969301450099 36.8926141990099, 139.968518268958 36.8919950325702, 139.96695742251 36.8907799073848, 139.967879868047 36.8900135883875, 139.968517394133 36.8895039229947, 139.969677010202 36.8885431487376, 139.971552736602 36.887015145271, 139.972345742733 36.8876172388713, 139.973106721319 36.8882157031255, 139.973897497489 36.888841727204, 139.972935817365 36.889621099387)) ^^http://www.opengis.net/ont/geosparql#wktLiteral