semistructured data model 半结构化数据模型
semistructured data representation 半结构化数据表示
semistructured spatial data 空间半结构化数据
Extracting schema is important in the field of semistructured data research.
模式抽取在半结构化数据研究领域中具有重要意义。
XML (Extensible Markup Language) is a good tool for representing and processing complex data, especially semistructured data for its reasonable data organization structure and extensibility.
可扩展标识语言以其合理的数据组织结构和可扩展的特性，成为各种复杂数据，特别是半结构化数据表示和处理的良好工具。
XML is based on semistructured data model, but the semistructured data is hard to store and manage.
XML基于半结构化数据模型，而半结构化数据很难统一存储和管理。
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