メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.155502491028 35.084565608288, 137.155479626091 35.084574197316, 137.154162517328 35.0849203177771, 137.15404098427 35.0849523458411, 137.154034726037 35.0849274845826, 137.15358229372 35.0831314765841, 137.154171926671 35.0830626099786, 137.155002320242 35.0829992627857, 137.155740101954 35.0829449134756, 137.155706978458 35.0831135110276, 137.155679986057 35.083268374692, 137.155673368302 35.0833062639857, 137.155596884264 35.083719164972, 137.155538152137 35.0840568522008, 137.15550358993 35.0843179183946, 137.155502491028 35.084565608288)) ^^http://www.opengis.net/ont/geosparql#wktLiteral