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"10/26\uFF0C27\u958B\u50AC\u300CHadoop Summit 2016 Tokyo\u300D\u53C2\u52A0\u53D7\u4ED8\u4E2D\uFF1A\u30A4\u30F3\u30D5\u30A9\u30E1\u30FC\u30B7\u30E7\u30F3"^^<http://www.w3.org/2001/XMLSchema#string>
<http://gihyo.jp/news/info/2016/09/2601>