メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((135.059466743727 34.6306882494131, 135.059528363856 34.6311882111811, 135.058736624401 34.6312571305187, 135.058187918261 34.6313066279544, 135.058134212046 34.631088335267, 135.058071679204 34.6307957218167, 135.057999907922 34.6303814615964, 135.058759899763 34.6303187637114, 135.059413972027 34.6302648618204, 135.059466743727 34.6306882494131)) ^^http://www.opengis.net/ont/geosparql#wktLiteral