メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.920944403736 34.75604600046, 137.920953188543 34.756028153213, 137.922067068797 34.7563823475138, 137.922079452201 34.7563562072721, 137.922620242579 34.7565307528416, 137.923146262993 34.7567005781414, 137.923493480675 34.7568126505306, 137.923105027105 34.7575832725845, 137.922239612479 34.7573167623406, 137.922179153266 34.7572981651775, 137.92171799277 34.7571459650662, 137.920401271716 34.7567112175752, 137.918958216765 34.7562348620927, 137.918598458866 34.7561172186435, 137.918908612392 34.7554742783211, 137.918979987907 34.7553344660669, 137.919497373892 34.7555166685864, 137.919471325949 34.7555747189644, 137.919666219779 34.7556370620715, 137.920944403736 34.75604600046)) ^^http://www.opengis.net/ont/geosparql#wktLiteral