メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((130.302007101406 31.2656375033887, 130.301895017764 31.26628631094, 130.30180648731 31.2667111631711, 130.301531168401 31.2666782350775, 130.300941351235 31.2666079359508, 130.300181090007 31.2665116181869, 130.299956945471 31.2664810803312, 130.299642530064 31.2664437071839, 130.299774926711 31.2656902998248, 130.299840723218 31.2653679230371, 130.299964872467 31.2647421556657, 130.300987985761 31.2649237630127, 130.301967257628 31.2650883532856, 130.301966918143 31.2651344366623, 130.302093615952 31.2651518967922, 130.302058358716 31.2653498567026, 130.302007101406 31.2656375033887)) ^^http://www.opengis.net/ont/geosparql#wktLiteral