メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((143.555021403933 43.241093044703, 143.554985240597 43.2411699763831, 143.555211637203 43.2412799848237, 143.555543597362 43.2414996954973, 143.555718068672 43.2416151490077, 143.555548870046 43.24187695107, 143.555552292167 43.2419469603127, 143.554781119591 43.2415847907858, 143.552544605973 43.2416799605195, 143.552537389184 43.2415986014305, 143.55245474532 43.2406010812745, 143.553459322838 43.2405556442059, 143.553589352189 43.2405497283896, 143.55450714733 43.2405082276834, 143.554595945171 43.2405041889744, 143.555272325613 43.2404735988701, 143.555038976296 43.2410556397322, 143.555021403933 43.241093044703)) ^^http://www.opengis.net/ont/geosparql#wktLiteral