メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.872310055311 35.2355374248141, 136.87229527073 35.2355373886819, 136.871423131735 35.235539623406, 136.871294453393 35.2355496605804, 136.870725802044 35.2356454537378, 136.87100892889 35.2342476551708, 136.871171131157 35.2336876140692, 136.872261905904 35.2336908449676, 136.872275024746 35.2335645346153, 136.874268133581 35.23355727799, 136.87429907163 35.2352143725986, 136.874297961951 35.2355223368184, 136.8731052341 35.2355254915191, 136.872310055311 35.2355374248141)) ^^http://www.opengis.net/ont/geosparql#wktLiteral