Before analyzing Lucene's index file structure, you should understand the inverted index concept. An inverted index is an inside-out arrangement of documents in which terms take center stage.
在分析Lucene的索引文件结构之前，我们先要理解反向索引(Inverted index)这个概念，反向索引是一种以索引项为中心来组织文档的方式，每个索引项指向一个文档序列，这个序列中的文档都包含该索引项。
Lucene stores the input data in a data structure called an inverted index, which is stored on the file system or memory as a set of index files.
Lucene将输入数据存储在名为逆序索引的数据结构中，该数据结构以索引文件集的形式存储在文件系统或内存中。
The index storage models of the hybrid index mechanism have three models: tree model, hash index model and inverted file model.
混纯索引机造采取的索引亡储模型从要无树、哈希和反排文件三类方式。
This paper analyzes data retrieval of XML currently, and proposes a kind of path index technology which have been combined with inverted file to implement retrieval both on context and structure.
该文分析了当前对XML数据检索的相关工作，提出了一种路径索引技术，并将之无缝结合了基于文本的倒排索引文档，以实现XML文档的内容和结构的双重检索。
This paper analyzes data retrieval of XML currently, and proposes a kind of path index technology which have been combined with inverted file to implement retrieval both on context and structure.
该文分析了当前对XML数据检索的相关工作，提出了一种路径索引技术，并将之无缝结合了基于文本的倒排索引文档，以实现XML文档的内容和结构的双重检索。
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