メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.916098698252 35.0904230710401, 136.916042925026 35.0908263601184, 136.916011949199 35.0910191242608, 136.915985186432 35.0910146329298, 136.915820520001 35.0909892205793, 136.915808386049 35.0909641240682, 136.915460933374 35.0909979147393, 136.915417529713 35.0907593604956, 136.915407068759 35.0906768686671, 136.915358824103 35.0902967470211, 136.915344159749 35.0902798142834, 136.915290321423 35.0898870037953, 136.915243876116 35.0895635084301, 136.915206651484 35.0893362342893, 136.915165639555 35.0889943693476, 136.916290413661 35.0891770544405, 136.916223910859 35.0896230708171, 136.916162631325 35.0900128971085, 136.916098698252 35.0904230710401)) ^^http://www.opengis.net/ont/geosparql#wktLiteral