メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.234394314287 34.839678614978, 137.234410969069 34.839932233401, 137.234439091908 34.8400631507134, 137.234579220093 34.8401477327367, 137.234793804664 34.8402543863279, 137.234795505675 34.8403099561316, 137.234791206535 34.8404520228514, 137.234749359897 34.8406105188911, 137.234800311492 34.8407653722548, 137.234935388761 34.8411168949362, 137.234824947975 34.8411716829434, 137.234564203929 34.841190073629, 137.23412105378 34.8409778949629, 137.23321870397 34.8405839685682, 137.232999949255 34.8404826651597, 137.232986147724 34.840313634977, 137.232958392572 34.8397839986507, 137.233258985296 34.8396824116067, 137.233395573813 34.8395809139239, 137.233534305097 34.8394305335799, 137.233586566703 34.8394650182617, 137.233670643664 34.8395168796038, 137.233887838128 34.8396380441054, 137.234090974039 34.8397014618921, 137.234210025091 34.8396956214125, 137.234394314287 34.839678614978)) ^^http://www.opengis.net/ont/geosparql#wktLiteral