メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.907894306623 35.4926415269714, 136.907327358087 35.4925341184326, 136.907021976003 35.4924647329343, 136.90702225695 35.4923772357665, 136.906751205214 35.4923235568788, 136.906498241861 35.4922816054604, 136.906566076329 35.4919802791427, 136.906616450297 35.491752328862, 136.906641754603 35.4916086892664, 136.906666882331 35.4915134286134, 136.906711275743 35.4913713794923, 136.906754724715 35.4912285531324, 136.906791379907 35.4911161691895, 136.906862443477 35.4909882263189, 136.906979694574 35.4907557367085, 136.90719189603 35.4904039462964, 136.907319582473 35.4901925694338, 136.907421340259 35.4900318751655, 136.907508064832 35.4898925926579, 136.908761821822 35.490137835617, 136.90872525447 35.4902236726123, 136.90868099688 35.4903313563778, 136.908609805021 35.4904936663237, 136.908569395089 35.4905826274041, 136.908498989605 35.4908019436615, 136.908383457803 35.4910906696372, 136.908189651951 35.4916690102783, 136.908129859085 35.4918547587491, 136.908088321617 35.4919991751739, 136.908061279894 35.4920943959409, 136.908003369968 35.4922832824973, 136.907964559221 35.4924437944833, 136.907894306623 35.4926415269714)) ^^http://www.opengis.net/ont/geosparql#wktLiteral