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https://dnnsociety.org/2017/08/28/%e9%97%9c%e4%bf%82%e5%9c%96%e8%a1%a8%e9%80%9f%e6%88%90%e6%96%b9%e6%a1%88%ef%bc%9agoogle-fusion-tables-kumu/
關係圖表速成方案:Google Fusion Tables & Kumu