メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((131.37821313067 31.6025980791352, 131.378542029834 31.6028265436963, 131.378708062868 31.6029407713966, 131.379559003857 31.6035765309105, 131.379722327761 31.6036916111975, 131.379741019109 31.6036613962608, 131.380505648173 31.6040853042033, 131.380319330921 31.6043403848852, 131.379961476157 31.6048304904668, 131.37972161935 31.6051726857126, 131.37918260166 31.6059330751773, 131.378517094413 31.6056310562917, 131.377831190925 31.6053240202789, 131.377368463578 31.6051189207307, 131.377178154788 31.6050291436628, 131.376910426463 31.6049029528697, 131.376376155856 31.6046577528689, 131.376453541222 31.604440204707, 131.37650840417 31.6041087064967, 131.376544512277 31.6037720492305, 131.376572300563 31.6035879077226, 131.376611178147 31.6033259385664, 131.376614425236 31.6033042257768, 131.37666388837 31.6031865414485, 131.376799385217 31.6029657228043, 131.377356100316 31.6019895283823, 131.377870752802 31.602354151376, 131.378156973897 31.602555684098, 131.37821313067 31.6025980791352)) ^^http://www.opengis.net/ont/geosparql#wktLiteral