メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.740924294334 35.4110907205224, 136.740817384242 35.41129385999, 136.740731624573 35.4114497510604, 136.739455947953 35.4110603316134, 136.739520557587 35.4109357034956, 136.739681733551 35.4106288153753, 136.740924294334 35.4110907205224)) ^^http://www.opengis.net/ont/geosparql#wktLiteral