メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.310208109756 43.1124380336345, 141.310546238306 43.1127679728889, 141.31087699732 43.1130716888974, 141.311235687888 43.1134134696569, 141.310888997319 43.1136113425841, 141.310691257579 43.1137234420901, 141.310519566733 43.1138208441031, 141.310137636472 43.1140189193794, 141.309614576808 43.1143055730923, 141.309061608904 43.1146078730337, 141.308697583798 43.1142637922153, 141.308376514911 43.1139546649981, 141.308043468495 43.1136317948327, 141.307683234312 43.1132917509932, 141.308228300785 43.112997055615, 141.30874888103 43.1127150278198, 141.309321555058 43.1124036083066, 141.309842309503 43.1120910573951, 141.309851487102 43.1120997827458, 141.310208109756 43.1124380336345)) ^^http://www.opengis.net/ont/geosparql#wktLiteral