メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.122331437697 39.7073666407718, 140.122191828779 39.7072011713749, 140.121846590558 39.7067919627858, 140.122395241327 39.7065079670511, 140.122736427626 39.7063313685046, 140.12337750144 39.7060160567276, 140.124184528346 39.7055800149712, 140.124464862311 39.705948955282, 140.124481897418 39.7059714022166, 140.124594859795 39.7059278288017, 140.124695130702 39.7062384050524, 140.123656614958 39.7067438638456, 140.122331437697 39.7073666407718)) ^^http://www.opengis.net/ont/geosparql#wktLiteral