メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.627561926362 35.3784387670304, 136.628576133541 35.3784150370036, 136.62862953696 35.378413794995, 136.628753980361 35.3794241161613, 136.62875239817 35.3796633301091, 136.628745879505 35.3803823007912, 136.628629759584 35.3809406473191, 136.62852046889 35.3816750772963, 136.628424443234 35.3826785742408, 136.626753786336 35.3826319868894, 136.626785248274 35.3816232033665, 136.626806714768 35.3810578882158, 136.627148414822 35.3810463824432, 136.627150241943 35.3807709733665, 136.627098455437 35.3805735635398, 136.626980733398 35.3801729767674, 136.626933961555 35.380023404357, 136.626888802412 35.3798898964844, 136.626857658489 35.3797824354297, 136.626881281235 35.3794230407524, 136.626902438293 35.3789041312293, 136.62688856779 35.3785455555786, 136.626899241198 35.3783817329426, 136.626930939755 35.3778940662844, 136.62751050062 35.3778499575432, 136.627561926362 35.3784387670304)) ^^http://www.opengis.net/ont/geosparql#wktLiteral