翻訳と辞書 Words near each other ・ relational dbms ・ relational language ・ relational model ・ relative ・ relative pathname ・ relative record data set ・ relatively prime ・ relcode ・ release ・ released version ・ relevance ・ reliability ・ reliability, availability, serviceability ・ reliable communication ・ reliable data protocol ・ religion of chi ・ religious issues ・ rem ・ remailer ・ remote access services Dictionary Lists mini英和辞書 mini和英辞書 Webster 1913 Latin-English FOLDOC Wikipedia English ウィキペディア

翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク relevance ： FOLDOC relevance A measure of how closely a given object (file, web page, database record, etc.) matches a user's search for information. The relevance algorithms used in most large web search engines today are based on fairly simple word-occurence measurement: if the word "daffodil" occurs on a given page, then that page is considered relevant to a query on the word "daffodil"; and its relevance is quantised as a factor of the number of times the word occurs in the page, on whether "daffodil" occurs in title of the page or in its META keywords, in the first N words of the page, in a heading, and so on; and similarly for words that a stemmer says are based on "daffodil". More elaborate (and resource-expensive) relevance algorithms may involve thesaurus (or synonym ring) lookup; e.g. it might rank a document about narcissuses (but which may not mention the word "daffodil" anywhere) as relevant to a query on "daffodil", since narcissuses and daffod スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.