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subject catalogue 按學科分類的圖書目錄。

subject index

But web portals organize their pages according to web subject and all offer a large number of subject classified information . subject catalogues are vital part of web portals and the importance of each other are different . so , a way is proposed to evaluate the significance of web site subject catalogues automatically in our paper 然而,通常門戶網站都按照主題分類對網頁進行組織,網站主題目錄網站的一個重要組成,而每個主題目錄重要性程度不同,因此,本文給出了網站主題目錄重要性的評價研究。

On the website subject catalog integrating the key insight is that many of the web pages have their own categorization from navigation links ’ subject , and accuracy of web pages classified into subject catalogues can be improved by factoring in the implicit information in the source categorization 網站主題目錄自動歸并將其它非主題目錄的導航鏈接歸并到主題目錄下。實質是利用本網站網頁集合已有的導航鏈接主題類別,以提高網頁分類到各個主題目錄下的精度。

In the paper , firstly the algorithm is proposed to extract web site subject catalogue automatically , and then is how to integrate subject catalog . finally the web site subject catalogues are evaluated according to the indicators 本文首先提出了網站主題目錄自動抽取算法,并進行網站主題目錄的歸并,然后根據不同評價指標進行網站主題目錄的重要性評價。

At last , the subject catalogues with their pages are evaluated according to the indicators . in addition , the paper uses evaluation criterion on sorting the result documents 另外,本文借鑒信息檢索檢索得到的文檔結果排序的評價方法,以alexa網站利用點擊率指標進行網站主題目錄評價結果為標準答案,給出了對網站主題目錄評價結果的評測方法及相應的評測結果。

The quantitative method is used to evaluate subject catalogues on all indicators including quantity of pages , update rate of pages per month and mean of all page ’ s significance in each subject catalogue 本文采用定量的方法,從每個主題目錄所包含的網頁數量、網頁每月更新率及包含所有網頁的重要性均值等評價指標出發進行網站主題目錄的評價。