半结构数据库的标记算法因为在标记时考虑到各种可能的攻击方式，所以其标记有较好的鲁棒性。
The labeling algorithm for semi structure database is relatively robust because it takes almost all possible attacks into account.
促进个人将保存于他们文档或本地数据库中的结构化和半结构化信息分享给组织内的其他人。
Facilitating individuals to share structured and semi-structured information stored in their documents or local databases, with others in the organization.
半结构化数据库没有固定的库模式，用户对其结构难以产生清晰的认识，从而无法有效地查询所需的内容。
Due to the lack of stable schema in semistructured database, it is hard for users to obtain a clear view of the structure and employ efficient queries.
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