メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.118219685513 36.3643899214926, 140.117288842888 36.3647103945124, 140.116678472848 36.3648930452412, 140.115964633679 36.3650639696345, 140.11582823667 36.3647272052146, 140.115414438499 36.3639947956491, 140.114929011662 36.3631866162626, 140.114693990676 36.3628140692057, 140.115300209522 36.3625760967176, 140.117354311592 36.3617798165732, 140.11752898385 36.3622574124147, 140.117806974175 36.3631422940348, 140.118145527551 36.364238577636, 140.118219685513 36.3643899214926)) ^^http://www.opengis.net/ont/geosparql#wktLiteral