メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.819037155762 38.0869105880606, 140.818745783345 38.0868609995613, 140.818363675984 38.086772402128, 140.817965501269 38.0866628259866, 140.817588759081 38.0865448033079, 140.817208379417 38.0863901762835, 140.816804297443 38.0862020381585, 140.816398173126 38.0859867274877, 140.816118805494 38.085812963071, 140.816833499177 38.0836158519685, 140.81694005695 38.0832350467922, 140.817135526165 38.0823475729437, 140.817263439021 38.0817665754497, 140.818103906473 38.082264345929, 140.818141296411 38.0822618166252, 140.818762703428 38.0826491819141, 140.819587579997 38.0831159683438, 140.819678195637 38.0831644073013, 140.819037155762 38.0869105880606)) ^^http://www.opengis.net/ont/geosparql#wktLiteral