economy.
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参考网站：http://digitallearningnow.com/initiatives/
content graphing, machine learning, tagging, and infrastructure in one place
in order to enable personalization at massive scale.
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参考网站：https://www.knewton.com/
institutional, physical and cultural boundaries. The "i" in iPodia stands for "inverted", "interactive", "international", and
any combinations of the above.
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====MOOC 大型开放式网络课程====
教学助理（TA）。MOOC是最近的和广泛的研究在远程教育的发展，这是第一次在2008出现在2012的学习流
行的模式。
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参考网站：http://mooc.org/
了简单的交流工具。与其它超文本系统相比，wiki有使用简便且开放的特点，所以wiki系统可以帮助我们在一
个社区内共享某个领域的知识了。
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