- 布爾提問式
下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
boolean queries中文什么意思
例句與用法
- Traditional search engines are based on information retrieval technologies . they implement operations such as boolean queries , proximity searches , text relevance and link analysis
自己簡單翻譯一下：傳統(tǒng)的搜索引擎是基于信息檢索技術(shù)。他們執(zhí)行諸如布爾查詢的操作，近似搜索，正文關(guān)聯(lián)和連接分析。 - The thesis simplely discusses three question about content query : simple query ( also called matching ) , field query and boolean query . the thesis gives five basic path query expression , namely simple regular path expression , order regular path expression , attribute regular path expression , value regular path expression and kleen closure regular path expression . the thesis summarizes four operation for the five basic regular path expression : pc operation ( parent - child ) , ad operation ( ancestor - descendant ) , co operation ( containment ) , or operation ( order )
在研究結(jié)構(gòu)查詢技術(shù)時(shí)，本文提出了五種基本的路徑表達(dá)式，即簡單路徑表達(dá)式、含序路徑表達(dá)式、屬性路徑表達(dá)式、含值路徑表達(dá)式和kc路徑表達(dá)式，本文研究了這五種基本路徑表達(dá)式的實(shí)現(xiàn)方式，通過分析這五種路徑表達(dá)式的實(shí)現(xiàn)，筆者提出了四種針對結(jié)構(gòu)信息的基本操作，即pc操作、 ad操作、 co操作和or操作。