In this paper, labeled ordered tree is used as the data model of semi structured data, the problem of maximum tree structured frequent pattern mining from semi structured data is studied.

本文以标记有序树作为半结构化数据的数据模型，研究了半结构化数据的树状最大频繁模式挖掘问题。

youdao

JSON for data: If you have structured or semi-structured data, choose JSON.

对于数据，使用JSON：如果您拥有结构化或半结构化的数据，那么选择JSON。

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If you have a solution that lets you store semi-structured data, you can also use it to store structured and unstructured data.

如果您有一个能够存储半结构化数据的解决方案，那么也能用它存储结构化和非结构化数据。

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Last year we did hit approximately 1 zettabyte (one trillion gigabyte) of data in the public web and the speed by which new data is created continues to accelerate, including unstructured data in the form of text, semi-structured data from M2M communication and structured data in transactional business applications.

FORBES: Turning Data Into Business Value

Semi-structured and unstructured data being generated in vast quantities at network speed are rich sources of information that tell organizations exactly what customers need and want and how or why they buy.

FORBES: The Big Cost Of Big Data