In order to solve data quality problems from the source and realize the traceability of data, the framework of data quality assessment based on data provenance is presented.
为了从源头解决数据质量问题，实现数据的可溯源，设计一个基于数据世系的数据质量评估系统框架。
The models are similar to the realization overviews, except that the focus is on identifying the role, provenance, and evolution of each data item, using the following stereotypes
除了将关注点放在识别角色、起源及每个数据项的演化上之外，模型类似于实现的概述，使用下面的原型
However, as data are frequently being updated in a decentralized environment, provenance information becomes critical to providing reliable and trustworthy services to scientists.
但是，随着数据在一个分散的环境中被频繁地更新，出处信息变得关键以为科学家提供可靠且值得信赖的服务。
It is crucially important for researchers especially scientists to judge the correctness and timeliness of data and experiments according to provenance.
出处对于研究人员，特别是对科学家判断数据和实验的正确性和时效性尤其重要。
It is crucially important for researchers especially scientists to judge the correctness and timeliness of data and experiments according to provenance.
出处对于研究人员，特别是对科学家判断数据和实验的正确性和时效性尤其重要。
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