How does the user turn information into knowledge?
用户如何将信息转化为知识？
For a user without any real knowledge of his data, this might be difficult.
若用户对其数据知之甚少，这可能会很困难。
Knowledge need is described with business process and user profile.
提出了用户知识需求处理算法和学习算法。
You also need to have good knowledge of user experience design.
第二，熟悉用户体验设计（UX）。
You also need to have good knowledge of user experience design.
第二，熟悉用户体验设计（UX）。
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