メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.836523916954 34.661095684477, 137.835915591941 34.6609117950413, 137.834850383425 34.660601737691, 137.833812728537 34.660303352561, 137.832577721402 34.6599428714096, 137.831909769501 34.6597434032991, 137.829998118241 34.6591187192821, 137.828685001086 34.65874635787, 137.829860448196 34.6562392692637, 137.830139747832 34.6563340597766, 137.831060217451 34.6570044273203, 137.832267576555 34.6576722786607, 137.83302605901 34.6581629843456, 137.833156022845 34.6582493422851, 137.833347537293 34.6583766062924, 137.833725511597 34.6584919324261, 137.834202082217 34.6585728631302, 137.834636801494 34.6585807329979, 137.835004682928 34.6586596482684, 137.836265361251 34.6591795313567, 137.837275568843 34.6594740675308, 137.836523916954 34.661095684477)) ^^http://www.opengis.net/ont/geosparql#wktLiteral