メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.092683530015 35.1392407838851, 136.092568040389 35.1394001788402, 136.092399850958 35.1393262238561, 136.092281019343 35.1394497037524, 136.09219148677 35.1395016077224, 136.092319055316 35.1392884688712, 136.092158437673 35.1392120420802, 136.092256988045 35.1390652667069, 136.092362178442 35.1391066651452, 136.092523596554 35.138882865059, 136.092596649557 35.1389176683813, 136.092635692039 35.1388636207385, 136.092777906 35.1389214690271, 136.092667676632 35.1390852959203, 136.09276743869 35.1391296559413, 136.092683530015 35.1392407838851)) ^^http://www.opengis.net/ont/geosparql#wktLiteral