メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((134.605043907027 34.7904041978458, 134.606414053418 34.7908756653175, 134.608048965307 34.7914293391559, 134.607453919764 34.7929527054095, 134.60579355158 34.792384009947, 134.604359656569 34.7919074691761, 134.602533356617 34.7912859948094, 134.602570296358 34.7911301191949, 134.602667826697 34.7909872080962, 134.602739219069 34.7908871765607, 134.603012011002 34.7904948289992, 134.603243726448 34.7900731329582, 134.603377151943 34.7898361857215, 134.605043907027 34.7904041978458)) ^^http://www.opengis.net/ont/geosparql#wktLiteral