メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.797312202585 35.129395379567, 138.797478235963 35.1297893478606, 138.797658069356 35.130205817679, 138.7977852091 35.1304717093605, 138.797847146354 35.1306123352218, 138.797094755601 35.1308381238365, 138.79662676448 35.1309753305045, 138.796185016449 35.1311107839879, 138.795047327789 35.1314520291203, 138.794920750865 35.1310740901869, 138.794790121738 35.130689471422, 138.794694209598 35.1304160373157, 138.794420948345 35.12964964495, 138.795868328145 35.1292160977255, 138.796460126969 35.1290364024902, 138.797057168699 35.128849089653, 138.797312202585 35.129395379567)) ^^http://www.opengis.net/ont/geosparql#wktLiteral