メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((141.714821508824 45.381724921266, 141.712324023191 45.3811326238449, 141.709118956615 45.3811443206389, 141.709201512318 45.3810125445783, 141.709349364642 45.3807856102959, 141.709641449045 45.3802924938236, 141.710645898466 45.3786032665244, 141.710962115258 45.3780715961054, 141.711230140975 45.3780410874307, 141.711445719587 45.3779978169261, 141.711767939328 45.3779114622794, 141.712181613823 45.3777266942823, 141.712226725855 45.3776713678871, 141.712308785971 45.3775959707679, 141.712392931286 45.3775797760864, 141.712534603898 45.3775822727051, 141.712675115154 45.3775653591383, 141.712751223566 45.3775657178888, 141.712803916751 45.3775419238367, 141.712888448276 45.3774794725263, 141.712933155727 45.3774722305649, 141.713017005663 45.3774819067502, 141.713074412409 45.377513672202, 141.713129122737 45.3775563905887, 141.713152728986 45.3775601587942, 141.713218312961 45.3775604676647, 141.713234212586 45.3775457776747, 141.713281549477 45.3775294108049, 141.713318290526 45.3775314105131, 141.713357569142 45.3775390480661, 141.713399477354 45.3775483843177, 141.713433538453 45.3775541687709, 141.713483361944 45.3775544032978, 141.713515023854 45.3775341651517, 141.713544075351 45.3775158835999, 141.713604579525 45.3774994363916, 141.713630761704 45.3775050433308, 141.71368553998 45.3775405916963, 141.713743019949 45.3775647641484, 141.71421812839 45.3775447827064, 141.714443373703 45.3775866173788, 141.714500746574 45.3776275208807, 141.714655067911 45.3776801279365, 141.71474396561 45.3777100715295, 141.714820127089 45.3777048050391, 141.714842052459 45.3776908486145, 141.716171657087 45.3777970519897, 141.714821508824 45.381724921266)) ^^http://www.opengis.net/ont/geosparql#wktLiteral