Tag Archives: knowledge

Apple 打算把 iCloud 加密用的 Key 放到用戶端

在經過最近 FBI 與 Apple 的戰鬥中 (FBI–Apple encryption dispute),Apple 正規劃把 iCloud 加密所使用的 key 放到用戶端裝置上,而非放在伺服器端:「Apple to Hand iCloud Encryption Key Management to Account Holders」: In effect, Apple is following the lead of secure cloud services such as SpiderOak which has been offering … Continue reading

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Google 發表計算網頁真實性的演算法 (Knowledge-Based Trust)

Slashdot 上看到 Google 發表了計算網頁真實性的演算法,Knowledge-Based Trust (KBT):「Google Wants To Rank Websites Based On Facts Not Links」,原始的論文 PDF 檔案可以在「Knowledge-Based Trust: Estimating the Trustworthiness of Web Sources」這邊取得。 論文本身的原理不難懂 (其實方法相當有趣),主要是給出了三個貢獻。 首先是能夠區分是取出資訊的方法有問題 (extract 的演算法不夠好),或是網站本身就給出錯誤的資訊: Our main contribution is a more sophisticated probabilistic model, which can … Continue reading

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