メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((140.465149341267 40.7039429946356, 140.464230982914 40.703703150584, 140.463989631947 40.7032291255355, 140.464351231598 40.7023836259036, 140.464486154026 40.7020986033405, 140.464528125992 40.702039563474, 140.464907141115 40.701564082405, 140.466310486807 40.7022249572123, 140.467043357493 40.7025666387495, 140.467112673195 40.702592189876, 140.467232025769 40.7026094557705, 140.467627952954 40.7026854356984, 140.467225555077 40.7028300880512, 140.467136760951 40.7028670269717, 140.466952348497 40.7029125978461, 140.466753981203 40.7029527761249, 140.466569539416 40.7030036240014, 140.465149341267 40.7039429946356)) ^^http://www.opengis.net/ont/geosparql#wktLiteral