メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.577493490671 42.6331202386552, 141.577554422181 42.6331402907639, 141.578302956107 42.6333929723423, 141.579042301296 42.6336413756715, 141.579666376092 42.6338525245085, 141.580091026329 42.6339909000825, 141.579793007153 42.6344308595257, 141.579785310746 42.6344423489549, 141.57925415516 42.6352400726045, 141.579238615937 42.6352634727495, 141.578663517542 42.6361067952065, 141.578114808632 42.6369481598817, 141.577619886797 42.6376944622204, 141.576977019004 42.6374827682928, 141.576949016415 42.6374733070087, 141.575982589639 42.6371467544366, 141.575933924971 42.637123679327, 141.575469193448 42.6369624383483, 141.575057466328 42.6368195845731, 141.573441270606 42.6362410188714, 141.573831194641 42.635654480215, 141.573844649495 42.6356215029979, 141.574256041499 42.6350089253937, 141.574430023402 42.6347457744899, 141.574743631857 42.6342687865285, 141.574854671141 42.6340999339182, 141.575090938631 42.6337405097244, 141.575286075048 42.6334582104399, 141.575884406972 42.6325648250928, 141.576654082134 42.6328339593199, 141.577493490671 42.6331202386552)) ^^http://www.opengis.net/ont/geosparql#wktLiteral