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索引数据结构
The tree index data structure includes a directory node having a descendent node and a leaf node without having a descendent node.
树形索引数据结构包括具有后继节点的目录节点和没有后继节点的叶节点。
The present disclosure relates to a node search using a tree index; and, more particularly, to a method and apparatus for searching nodes by traversing the nodes from a root node to leaf nodes according to a tree index data structure.
The inverted index data structure is a central component of a typical search engine indexing algorithm.
应用 [ 编辑 ] 反向索引数据结构是典型的搜索引擎 检索 算法 重要的部分。
As well known in the art, an index is a data structure that increases an operating speed for a table in the field of database, and a tree index refers to an index data structure organized in a tree architecture.
In a conventional tree index data structure, when there is a process causing a change to the structure of a tree index, it has been required to protect data compatibility of the tree index using a lock in order to compare the tree index while maintaining the data compatibility in another process.
The node searching method then includes a process of searching descendent nodes to perform a traversing from a root node to leaf nodes according to a tree index data structure (S320).
节点搜索方法还包括搜索后继节点,以根据树形索引数据结构从根节点到叶节点进行遍历的过程(S320)。
In computer science, an inverted index (also referred to as postings file or inverted file) is an index data structure storing a mapping from content, such as words or numbers, to its locations in a database file, or in a document or a set of documents (named in contrast to a Forward Index, which maps from documents to content).
Instead of listing the words per document in the forward index, the inverted index data structure is developed which lists the documents per word. With the inverted index created, the query can now be resolved by jumping to the word id (via random access) in the inverted index.
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