メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.161708962446 35.067846670749, 137.161738380088 35.0675963785397, 137.161740025531 35.0675872234827, 137.163244078635 35.0676811264608, 137.163246476219 35.0676988040659, 137.163355171761 35.0684993414744, 137.163333479218 35.0689999973455, 137.163283268385 35.0696628435247, 137.162616765021 35.0696480162353, 137.161700286991 35.0698852958238, 137.161685339488 35.0695663350583, 137.161639041004 35.0692954728541, 137.161592491826 35.0690001730168, 137.161594085339 35.0688557988571, 137.161623397839 35.0685527579695, 137.161683673392 35.0681591501028, 137.161708962446 35.067846670749)) ^^http://www.opengis.net/ont/geosparql#wktLiteral