boolean query造句

Traditional search engines are based on information retrieval technologies . they implement operations such as boolean queries , proximity searches , text relevance and link analysis
自己简单翻译一下：传统的搜索引擎是基于信息检索技术。他们执行诸如布尔查询的操作，近似搜索，正文关联和连接分析。
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 )
在研究结构查询技术时，本文提出了五种基本的路径表达式，即简单路径表达式、含序路径表达式、属性路径表达式、含值路径表达式和kc路径表达式，本文研究了这五种基本路径表达式的实现方式，通过分析这五种路径表达式的实现，笔者提出了四种针对结构信息的基本操作，即pc操作、 ad操作、 co操作和or操作。
It's difficult to find boolean query in a sentence. 用boolean query造句挺难的