lucene-相关概念与定义
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- 原文:http://wiki.apache.org/lucene-java/ConceptsAndDefinitions
- 导航:Lucene-java Wiki-》1?Overview-》1.1?Informational-》 1.1.2?ConceptsAndDefinitions
- 注意:“ 红色?”,表示不知道、不确定怎么翻译。??“ 蓝色”自己的描述。
See?LuceneFAQ,?How do I retrieve all the values of a particular field that exists within an index, across all documents??which also includes sample code.
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TermDocs不像TermEnum?(see above),?TermDocs?通常用于确定哪些文档包括给定的Term。另外,TermDocs?也提供了term?在文档中出现的频率。
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TermFreqVectorA?TermFreqVector?(aka Term Frequency Vector or just Term Vector) is a data structure containing a given Document's term and frequency information and can be retrieved from the?IndexReader?only when Term Vectors are stored during indexing.
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TermFreqVector?是一个包含given Document's term?和**的数据结构。
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?原文A?TermFreqVector?(aka Term Frequency Vector or just Term Vector) is a data structure containing a given Document's term and frequency information and can be retrieved from the?IndexReader?only when Term Vectors are stored during indexing.?Directory?
IndexReader?
IndexSearcher?