メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.796330484218 35.4441184648482, 136.79622411736 35.4441573614854, 136.796046077709 35.4441568122185, 136.79577746474 35.4441097518354, 136.795500219661 35.4440780859372, 136.795198923632 35.4440743375544, 136.795017360486 35.4440821911898, 136.794794800999 35.4440786854257, 136.794599650017 35.4440752993168, 136.794425228005 35.4440271195028, 136.794325457177 35.4439882893318, 136.794169837322 35.4439124559432, 136.794109164718 35.44387621212, 136.794216832554 35.4435458487382, 136.796376244014 35.4438411840563, 136.796330484218 35.4441184648482)) ^^http://www.opengis.net/ont/geosparql#wktLiteral