メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((138.469163536259 36.1297694544991, 138.469459059133 36.1300785597992, 138.469726201458 36.1302907811445, 138.469794392418 36.1303922809337, 138.46978864499 36.1305537156149, 138.469742458151 36.1306743710827, 138.469577798832 36.1311045084983, 138.469486984181 36.1313417402453, 138.469460142028 36.1314411777246, 138.468477280698 36.1314912243018, 138.468359730889 36.1314975504549, 138.467936565166 36.1314656644329, 138.467630943885 36.1314528812349, 138.465961937909 36.1310010802795, 138.465970426286 36.1309339653079, 138.465164973062 36.1308270092715, 138.464204507395 36.1306994590722, 138.464340991561 36.129784970057, 138.464451872272 36.12904201173, 138.466248494665 36.1292385860071, 138.466883822676 36.1293214936873, 138.467628584139 36.1294093298775, 138.468981633282 36.129677169809, 138.469163536259 36.1297694544991)) ^^http://www.opengis.net/ont/geosparql#wktLiteral