directed tree 中文意思是什麼

directed tree 解釋
路徑樹
  • directed : adj. 1. 有指導的；定向的。2. 【數學】標出（數、角、線段的）正負的。
  • tree : n 特里〈姓氏〉。n 1 樹〈主要指喬木，也可指較大的灌木〉。 ★玫瑰可以稱為 bush 也可以稱為 tree 2 木...
  1. So in our system the path - analysis methods include the following steps : 1 ) to identify the browsing process each time ; 2 ) to identify all window sessions in one browsing process ; 3 ) to construct the extended - directed - tree of every. window session to reflect the users " browsing behavior in a window session ; 4 ) to combine all extended - directed - trees to form an extended - directed - forest ; 5 ) to identify " transaction and produce the database of transaction ; 6 ) to mine the frequent path referenced in transaction database, then the users " profile about their browsing behavior is produced

    本系統中的路徑挖掘包括了如下幾個步驟： 1 ）識別用戶每一次瀏覽過程； 2 ）識別一次瀏覽過程中所有的窗口會話； 3 ）為每個窗口會話構造反映用戶瀏覽行為的擴展有向樹； 4 ）合併擴展有向樹，得到反映用戶本次瀏覽過程全局行為的擴展有向樹林； 5 ）事務識別，產生事務數據庫； 6 ）在事務數據庫上挖掘頻繁引用路徑，由此產生或更新基於用戶的瀏覽行為習慣的模型p _ h 。
  2. An optimal directed connection problem in tree networks

    樹網路上的最優有向連接問題
  3. There are occasions when we want to refer to a directed tree, in which case it shall be said to be rooted at some vertex.

    有時我們要提到有向樹，這時必須說它是以某個頂點為根的。
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