メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.732438226714 35.3298203916781, 136.733393226831 35.330503429376, 136.732633829734 35.3306647330608, 136.731581428764 35.3308873771052, 136.730978846772 35.3309114785918, 136.730331523154 35.3309383743714, 136.729684318815 35.3309430831322, 136.729856988508 35.3305743200715, 136.729929083487 35.3304135150941, 136.730105367656 35.3298422188017, 136.730497628912 35.3298344768536, 136.730494497342 35.3295195189162, 136.730127990563 35.3294998170379, 136.730224461448 35.3287966053488, 136.730353827251 35.328804184659, 136.730561787347 35.3285111852736, 136.731664754569 35.329276952756, 136.7318258955 35.3293528166236, 136.732338489835 35.3297103102046, 136.732438226714 35.3298203916781)) ^^http://www.opengis.net/ont/geosparql#wktLiteral