メタデータ名 polygon
<http://xmlns.oracle.com/rdf/geo/srid/4612> POLYGON((136.963238025607 34.9305207954372, 136.962827567745 34.9305227833497, 136.962779017887 34.9303578324606, 136.96062263512 34.9306528711424, 136.960562077937 34.9306662902597, 136.960598357035 34.9305981085218, 136.960635777677 34.9305010539971, 136.960685039223 34.9303366911946, 136.961411577847 34.9281644112398, 136.961831169377 34.926846223622, 136.961865478631 34.926718526633, 136.961908563466 34.9264736521368, 136.961936712306 34.9262515714123, 136.96199018418 34.9252493369946, 136.962172476967 34.9249706092567, 136.963238025607 34.9305207954372)) ^^http://www.opengis.net/ont/geosparql#wktLiteral