メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.866021246025 35.2546564625914, 136.865351710054 35.2546555659492, 136.865099089502 35.2546501449173, 136.864192482565 35.2546470989494, 136.864188520457 35.2538848225997, 136.864135233207 35.2536534168654, 136.864103793508 35.2534855883778, 136.866095871239 35.2534688127423, 136.866114457004 35.2529292735461, 136.866137660595 35.2529284867818, 136.866829102826 35.252927110012, 136.866735386789 35.2549404294825, 136.866567013138 35.2550093072881, 136.866361017773 35.2550072447079, 136.866351169818 35.2550406719785, 136.866017892499 35.2550342775973, 136.866021246025 35.2546564625914)) ^^http://www.opengis.net/ont/geosparql#wktLiteral