メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((137.018535043745 34.8847442687372, 137.017673995192 34.8847729473262, 137.017318476424 34.8847612461535, 137.0171866146 34.8847602408004, 137.016904259462 34.8846622799572, 137.016748810661 34.8846185646227, 137.016280967346 34.8844710748924, 137.016006386994 34.8843875607034, 137.015714860202 34.8843127578398, 137.01376390218 34.883760069961, 137.014848979026 34.8820681426982, 137.015928904587 34.882539596644, 137.019770935661 34.8842171809542, 137.019141520113 34.8847155603311, 137.018535043745 34.8847442687372)) ^^http://www.opengis.net/ont/geosparql#wktLiteral