| 单词 | relevance | |||
| 释义 | relevancerel·e·vantR0139400 (rĕl′ə-vənt)These adjectives describe what relates to and has a direct bearing on the matter at hand: researched websites relevant to her course of study; an apropos response that concisely answered my question; comments that were germane to the topic of discussion; reiterated the material facts of the lawsuit; assigned pertinent articles for the class to read.
relevancenounrelevant(ˈreləvənt) adjectiverelevancerelevance(information science)The relevance algorithms used in most large web search engines today are based on fairly simple word-occurencemeasurement: 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 thenumber of times the word occurs in the page, on whether"daffodil" occurs in title of the page or in its METAkeywords, in the first N words of the page, in a heading,and so on; and similarly for words that a stemmer says arebased on "daffodil". More elaborate (and resource-expensive) relevance algorithmsmay involve thesaurus (or synonym ring) lookup; e.g. itmight rank a document about narcissuses (but which may notmention the word "daffodil" anywhere) as relevant to a queryon "daffodil", since narcissuses and daffodils are basicallythe same thing. Ditto for queries on "jail" and "gaol", etc. More elaborate forms of thesaurus lookup may involvemultilingual thesauri (e.g. knowing that documents in Japanesewhich mention the Japanese word for "narcissus" are relevantto your search on "narcissus"), or may involve thesauri (oftenauto-generated) based not on equivalence of meaning, but onword-proximity, such that "bulb" or "bloom" may be in thethesaurus entry for "daffodil". Word spamming essentially attempts to falsely increase a webpage's relevance to certain common searches. See also subject index. relevancerelevancea key concept in the law of evidence that considers the link between a piece of evidence and the enquiry itself ‘Facts relevant in relation to each other if according to the common course of events one either taken by itself or in connection with other facts proves or renders liable to proof the past, present, or future or non-existence of the other’. Compare ADMISSIBILITY.relevance
Synonyms for relevance
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