Google的搜尋方式與網頁設計注意事項

google 的搜尋方式 ,[object Object],[object Object],[object Object],[object Object],[object Object],Googol:10 的 100 次方明志科技大學工業設計系 : 洪偉肯與網頁設計注意事項

搜尋引擎的排名 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

搜尋引擎的類型 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Web search engines -scaling up:1994-2000 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Design Goals ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Differences between the web and well controlled collections ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Description of PageRank Calculation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Intuitive description of PageRank: A page has high rank if the sum of the ranks of its backlinks is high.

What's " d " ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

PageRank 的計算範例 ,[object Object],[object Object],資料來源 : http://pr.efactory.de/e-pagerank-implementation.shtml

[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object]

[object Object],[object Object]

PR value while d=0 to 1 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],d=0.85 PR(A)=1 PR(B)=0.575 PR(C)=1.425 補充 : 此頁為 " 同時 " 代入 PR(A)=1,PR(B)=1,PR(C)=1 之結果 , 故在 d=0.5 處與前述不同公式 PR(A) = 0.5 + 0.5 PR(C) PR(B) = 0.5 + 0.5 (PR(A) / 2) PR(C) = 0.5 + 0.5 (PR(A) / 2 + PR(B)) 計算結果 PR(A) = 0.5 + 0.5 (1)=1 PR(B) = 0.5 + 0.5 (0.5)=0.75 PR(C) = 0.5 + 0.5 (0.5 + 0.75)=1.125--> 此時代入的 PR(B) 值為 0.75

查詢 :" 大學 " 查詢 :" 科技大學 " 查詢 :" 工業設計系 " ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],目標 : 台灣的網頁 2005/4/6 沒有以下的學校 Why ??? 台師大 (7,871)-title,frame, keyword 清大 (6,39)-title, keyword 交大 (7,691)-links, keyword 陽明 (6,252)-title, keyword 中央 (6,496)-title, keyword 台科的排序 ??(title, Meta, Keyword) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],北科工設 ??(flash,title, Keyword) 查詢 : 工商業設計系 : 1. 台科 2. 亞東查詢 : 工業設計科 : 1. 亞東 2. 明志 3. 聯合

依前頁查詢所有結果繪製的 scatter diagram

Compress and store pages to repository Each page has ID number called docID Contains the full HTML of every web pages Downloading of web pages Send lists of URLs Read ,uncompress and parse pages Parse out all the links in pages and store important information in an anchors file Convert into a set of word occurrences called hits Every word is converted into a wordID by using an in-memory hash table-Lexicon Hits record the word, position in document, font size, capitalization Contains information to determine where each link points from and to, and the text of the link. Convert relative URLs into absolute URLs. Turn into docIDs Put anchor text into the forward index Generate a database of links of docIDs >>used to compute PageRank Sorted by docID , and resorts them by wordID 53.5G 147.8G 293M 3.9G 9.7G 6.6G ,[object Object],[object Object],[object Object],[object Object]

Anchor Text ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The ranking system ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Google 搜尋的程序 ,[object Object]

Feedback ,[object Object],[object Object],[object Object],[object Object],[object Object]

一些影響搜尋結果排序的變數 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

如何提高 google 的網站排名 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Google 搜尋的特色與應用 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Google的搜尋方式與網頁設計注意事項

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Google的搜尋方式與網頁設計注意事項