メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.903237547596 35.1995068304659, 136.903235296487 35.1999198690326, 136.90323325809 35.2002933996339, 136.903230556813 35.2006265044945, 136.903230063985 35.2006865060994, 136.903229034805 35.2010729970908, 136.90322666706 35.2015092753662, 136.902116757318 35.2014749946733, 136.901984638817 35.2014709134216, 136.901996111525 35.2010402181724, 136.902005578382 35.2006595917562, 136.902006594538 35.2006238175755, 136.902016711904 35.2002678406819, 136.902026644808 35.1998951731641, 136.902037629313 35.1994828580143, 136.902043218988 35.1992732147661, 136.903238703716 35.1992942188415, 136.903237547596 35.1995068304659)) ^^http://www.opengis.net/ont/geosparql#wktLiteral