メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.613036960357 34.8822127064755, 136.611741052619 34.8824488063231, 136.610470073867 34.8828721127311, 136.610147130668 34.8822326696383, 136.610021263257 34.8822702736602, 136.609655625763 34.8815432157799, 136.609288543821 34.8809941519122, 136.609508916795 34.8808452108894, 136.609101122274 34.8804810231463, 136.609013986773 34.8804514570611, 136.608918356513 34.880405735304, 136.608751625248 34.8802217638089, 136.60892179723 34.8801147003288, 136.609300512623 34.8799637655287, 136.60908906196 34.8794195574643, 136.608801757635 34.878666762751, 136.608440088968 34.8777133625054, 136.611911565452 34.8768193852151, 136.611994815568 34.8767979815616, 136.612509859532 34.8766739859814, 136.612825288854 34.8775176669035, 136.612880085903 34.8777151505922, 136.612389704939 34.8778293752635, 136.611620746693 34.878028235085, 136.61167491043 34.878295939215, 136.611863613607 34.8791167047103, 136.612667526586 34.8813065048582, 136.612801567932 34.8816715767057, 136.613036960357 34.8822127064755)) ^^http://www.opengis.net/ont/geosparql#wktLiteral